CVE-2016-6834
Published: 18 August 2016
The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.30)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(1:2.5+dfsg-5ubuntu10.6)
|
|
yakkety |
Released
(1:2.6.1+dfsg-0ubuntu5.1)
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=3b9717a62bf5882abaf6602c077cdbe63dffc35e |
||
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
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 |