CVE-2021-36980
Published: 20 July 2021
Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.
Notes
| Author | Note |
|---|---|
| mdeslaur | per Google, this was introduced in 418a7a84245f5fbe589dd1267463fc9ba27a1dd6 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openvswitch Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Released
(2.13.3-0ubuntu0.20.04.2)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Released
(2.15.0-0ubuntu3.1)
|
|
| impish |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f upstream: https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 upstream: https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 upstream: https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 upstream: https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 upstream: https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |