CVE-2022-26354

Publication date 16 March 2022

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

3.2 · Low

Score breakdown

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.

Status

Package Ubuntu Release Status
qemu 24.10 oracular
Fixed 1:6.2+dfsg-2ubuntu8
24.04 LTS noble
Fixed 1:6.2+dfsg-2ubuntu8
23.10 mantic
Fixed 1:6.2+dfsg-2ubuntu8
23.04 lunar
Fixed 1:6.2+dfsg-2ubuntu8
22.10 kinetic
Fixed 1:6.2+dfsg-2ubuntu8
22.04 LTS jammy
Fixed 1:6.2+dfsg-2ubuntu6.2
21.10 impish
Fixed 1:6.0+dfsg-2expubuntu1.3
20.04 LTS focal
Fixed 1:4.2-3ubuntu6.23
18.04 LTS bionic
Fixed 1:2.11+dfsg-1ubuntu7.40
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Ignored end of ESM support, was needed

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 3.2 · Low
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

Other references