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CVE-2021-20317

Published: 27 September 2021

A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.

From the Ubuntu Security Team

It was discovered that a race condition existed in the timer implementation in the Linux kernel. A privileged attacker could use this to cause a denial of service.

Priority

Low

Cvss 3 Severity Score

4.4

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-166.174)
hirsute Not vulnerable
(5.8.0-36.40+21.04.1)
jammy Not vulnerable
(5.13.0-19.19)
lunar Not vulnerable
(5.15.0-25.25)
upstream
Released (5.4~rc1)
xenial
Released (4.4.0-222.255)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
impish Not vulnerable
(5.11.0-16.17)
focal Not vulnerable
(5.4.0-9.12)
trusty Ignored
(ESM criteria, was needed)
kinetic Not vulnerable
(5.15.0-25.25)
mantic Not vulnerable
(5.15.0-25.25)
noble Not vulnerable
(5.15.0-25.25)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 511885d7061eda3eb1faf3f57dcc936ff75863f1
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1118.125)
focal Not vulnerable
(5.4.0-1005.5)
hirsute Not vulnerable
(5.8.0-1018.20+21.04.1)
jammy Not vulnerable
(5.13.0-1005.6)
lunar Not vulnerable
(5.15.0-1004.6)
trusty
Released (4.4.0-1102.107)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (5.4~rc1)
impish Not vulnerable
(5.11.0-1006.6)
xenial
Released (4.4.0-1138.152)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(5.15.0-1004.6)
mantic Not vulnerable
(5.15.0-1004.6)
noble Not vulnerable
(5.15.0-1004.6)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.11.0-1009.9~20.04.2)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
focal Not vulnerable
(5.13.0-1008.9~20.04.2)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream
Released (5.4~rc1)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable

mantic Does not exist

noble Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1018.18~18.04.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-aws-5.11, was needs-triage)
noble Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial
Released (4.15.0-1118.125~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Not vulnerable
(5.4.0-1006.6)
hirsute Not vulnerable
(5.8.0-1016.17+21.04.1)
impish Not vulnerable
(5.11.0-1004.4)
jammy Not vulnerable
(5.13.0-1006.7)
lunar Not vulnerable
(5.15.0-1003.4)
trusty
Released (4.15.0-1129.142~14.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (5.4~rc1)
xenial
Released (4.15.0-1129.142~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(5.15.0-1003.4)
mantic Not vulnerable
(5.15.0-1003.4)
noble Not vulnerable
(5.15.0-1003.4)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1129.142)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.11.0-1007.7~20.04.2)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

focal Not vulnerable
(5.13.0-1009.10~20.04.2)
upstream
Released (5.4~rc1)
mantic Does not exist

noble Does not exist

linux-azure-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.19
Launchpad, Ubuntu, Debian
lunar Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-azure-6.2, was needs-triage)
noble Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1020.20~18.04.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.8.0-1033.35~20.04.1)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

jammy Needs triage

focal Not vulnerable
(5.4.0-1006.6)
mantic Does not exist

noble Does not exist

linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
lunar Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable
(5.15.0-1007.8~20.04.1)
mantic Does not exist

noble Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1007.10)
hirsute Does not exist

impish Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

jammy Not vulnerable
(5.15.0-1011.13)
mantic Does not exist

noble Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1033.38)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-fips
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream
Released (5.4~rc1)
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

trusty Does not exist

xenial Ignored
(end of standard support)
mantic Does not exist

noble Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.3)
focal Not vulnerable
(5.4.0-1005.5)
hirsute Not vulnerable
(5.8.0-1015.15+21.04.1)
impish Not vulnerable
(5.11.0-1006.6)
jammy Not vulnerable
(5.13.0-1005.6)
lunar Not vulnerable
(5.15.0-1003.6)
trusty Does not exist

upstream
Released (5.4~rc1)
xenial
Released (4.15.0-1114.128~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(5.15.0-1003.6)
mantic Not vulnerable
(5.15.0-1003.6)
noble Not vulnerable
(5.15.0-1003.6)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1114.128)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.11.0-1009.10~20.04.1)
upstream
Released (5.4~rc1)
mantic Does not exist

noble Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

focal Not vulnerable
(5.13.0-1008.9~20.04.3)
impish Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.2)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-gcp-5.11, was needs-triage)
noble Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.3)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

focal Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1033.35)
hirsute Does not exist

impish Does not exist

jammy Not vulnerable
(5.15.0-1002.2)
lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
kinetic Does not exist

xenial Ignored
(end of standard support)
mantic Does not exist

noble Needs triage

linux-gke-4.15
Launchpad, Ubuntu, Debian
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

bionic Ignored
(superseded by linux-gke-5.0, was needs-triage)
noble Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gke-5.15
Launchpad, Ubuntu, Debian
focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1025.25~18.04.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1008.9)
hirsute Does not exist

impish Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

jammy Needs triage

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1001.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(replaced by linux-hwe-5.4)
hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
impish Does not exist

xenial
Released (4.15.0-166.174~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.11.0-22.23~20.04.1)
hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
focal Not vulnerable
(5.13.0-21.21~20.04.1)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

upstream Needs triage

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

trusty Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.19
Launchpad, Ubuntu, Debian
lunar Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-hwe-6.2, was needs-triage)
noble Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-37.41~18.04.1)
focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.8.0-23.24~20.04.1)
hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Ignored
(superseded by linux-hwe)
impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-ibm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1003.4)
hirsute Does not exist

impish Does not exist

jammy Not vulnerable
(5.15.0-1002.2)
kinetic Not vulnerable
(5.15.0-1002.2)
lunar Not vulnerable
(5.15.0-1002.2)
trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Not vulnerable
(5.15.0-1002.2)
noble Not vulnerable
(5.15.0-1002.2)
linux-ibm-5.4
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1010.11~18.04.2)
focal Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

upstream
Released (5.4~rc1)
mantic Does not exist

noble Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.13.0-1007.7)
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-intel-iotg
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Not vulnerable
(5.15.0-1004.6)
mantic Does not exist

noble Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable
(5.15.0-1003.5~20.04.1)
mantic Does not exist

noble Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1105.107)
focal Not vulnerable
(5.4.0-1004.4)
hirsute Not vulnerable
(5.8.0-1010.11+21.04.1)
impish Not vulnerable
(5.11.0-1006.6)
jammy Not vulnerable
(5.13.0-1004.4)
lunar Not vulnerable
(5.15.0-1004.4)
trusty Does not exist

upstream
Released (5.4~rc1)
xenial
Released (4.4.0-1103.112)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(5.15.0-1004.4)
mantic Does not exist

noble Does not exist

linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

kinetic Not vulnerable
(5.15.0-24.24)
lunar Not vulnerable
(5.15.0-24.24)
trusty Does not exist

xenial Does not exist

jammy Not vulnerable
(5.15.0-22.22)
upstream
Released (5.4~rc1)
mantic Not vulnerable
(5.15.0-24.24)
noble Not vulnerable
(5.15.0-24.24)
linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-lowlatency-hwe-5.19
Launchpad, Ubuntu, Debian
lunar Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

trusty Does not exist

kinetic Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.2, was needs-triage)
noble Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty
Released (4.4.0-222.255~14.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (5.4~rc1)
xenial Does not exist

impish Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-oem
Launchpad, Ubuntu, Debian
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Ignored
(end of standard support)
kinetic Does not exist

mantic Does not exist

bionic Ignored
(replaced by linux-hwe-5.4, was needs-triage)
noble Does not exist

linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.10.0-1008.9)
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.13.0-1009.10)
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.14.0-1004.4)
upstream
Released (5.4~rc1)
mantic Does not exist

noble Does not exist

linux-oem-5.17
Launchpad, Ubuntu, Debian
kinetic Not vulnerable
(5.17.0-1003.3)
lunar Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

jammy Not vulnerable
(5.17.0-1003.3)
upstream
Released (5.4~rc1)
mantic Does not exist

noble Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

bionic Does not exist

kinetic Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-oem-5.10, was needs-triage)
noble Does not exist

linux-oem-6.0
Launchpad, Ubuntu, Debian
lunar Does not exist

jammy Not vulnerable
(6.0.0-1006.6)
bionic Does not exist

focal Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-oem-6.1, was needs-triage)
noble Does not exist

linux-oem-6.1
Launchpad, Ubuntu, Debian
lunar Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-oem-6.5, was needs-triage)
noble Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

focal Does not exist

hirsute Does not exist

mantic Does not exist

noble Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1085.93)
focal Not vulnerable
(5.4.0-1005.5)
hirsute Not vulnerable
(5.8.0-1014.14+21.04.1)
impish Not vulnerable
(5.11.0-1005.5)
jammy Not vulnerable
(5.13.0-1008.10)
lunar Not vulnerable
(5.15.0-1002.4)
upstream
Released (5.4~rc1)
xenial
Released (4.15.0-1085.93~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
trusty Does not exist

kinetic Not vulnerable
(5.15.0-1002.4)
mantic Not vulnerable
(5.15.0-1002.4)
noble Not vulnerable
(5.15.0-1002.4)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

upstream
Released (5.4~rc1)
kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.11.0-1008.8~20.04.1)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

upstream
Released (5.4~rc1)
focal Not vulnerable
(5.13.0-1011.13~20.04.2)
mantic Does not exist

noble Does not exist

linux-oracle-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

upstream Needs triage

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

trusty Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

kinetic Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-oracle-5.11, was needs-triage)
noble Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1007.7)
hirsute Not vulnerable
(5.8.0-1008.11+21.04.1)
impish Not vulnerable
(5.11.0-1007.7)
jammy Not vulnerable
(5.13.0-1008.9)
kinetic Not vulnerable
(5.15.0-1005.5)
lunar Not vulnerable
(5.15.0-1005.5)
trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Not vulnerable
(5.15.0-1005.5)
noble Not vulnerable
(5.15.0-1005.5)
linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1013.13~18.04.1)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1101.108)
focal Ignored
(replaced by linux-raspi)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Ignored
(end of standard support, was needs-triage)
hirsute Does not exist

mantic Does not exist

noble Does not exist

linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
focal Ignored
(superseded by linux-riscv-5.8)
hirsute Not vulnerable
(5.8.0-10.12+21.04.1)
impish Not vulnerable
(5.11.0-1007.7)
jammy Not vulnerable
(5.13.0-1004.4)
kinetic Not vulnerable
(5.15.0-1007.7)
lunar Not vulnerable
(5.15.0-1007.7)
trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

bionic Does not exist

mantic Not vulnerable
(5.15.0-1007.7)
noble Not vulnerable
(5.15.0-1007.7)
linux-riscv-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.11.0-1015.16~20.04.1)
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-riscv-5.15
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

mantic Does not exist

noble Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-riscv-5.11, was needs-triage)
noble Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1118.127)
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.4~rc1)
xenial Ignored
(end of standard support, was needs-triage)
mantic Does not exist

noble Does not exist

linux-nvidia
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-gkeop-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-aws-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-aws-6.2, was needs-triage)
noble Does not exist

linux-gcp-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-6.2, was needs-triage)
mantic Does not exist

noble Does not exist

linux-riscv-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-allwinner
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Not vulnerable

lunar Not vulnerable

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-allwinner-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-starfive
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Not vulnerable

lunar Not vulnerable

upstream Needs triage

mantic Not vulnerable

noble Does not exist

linux-starfive-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-aws-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

upstream Ignored
(superseded by linux-aws-6.5, was needs-triage)
mantic Does not exist

noble Does not exist

linux-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-hwe-6.5, was needs-triage)
noble Does not exist

linux-lowlatency-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.5, was needs-triage)
noble Does not exist

linux-ibm-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-gcp-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-gcp-6.5, was needs-triage)
noble Does not exist

linux-azure-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-azure-6.5, was needs-triage)
noble Does not exist

linux-azure-fde-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(replaced by linux-azure-6.5, was needs-triage)
noble Does not exist

linux-iot
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-azure-fde-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-azure-fde-6.2, was needs-triage)
noble Does not exist

linux-xilinx-zynqmp
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Not vulnerable

mantic Does not exist

noble Does not exist

linux-nvidia-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-nvidia-6.5, was needs-triage)
noble Does not exist

linux-starfive-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-starfive-6.5, was needs-triage)
noble Does not exist

linux-laptop
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Not vulnerable

upstream Needs triage

noble Does not exist

linux-oem-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-hwe-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-lowlatency-hwe-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-riscv-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-starfive-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-aws-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-azure-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-gcp-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-oracle-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-nvidia-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-aws-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

linux-azure-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

linux-gcp-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 4.4
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H