CVE-2019-12067

Publication date 2 June 2021

Last updated 11 July 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null.

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 25.10 questing
Vulnerable, fix deferred
25.04 plucky
Vulnerable, fix deferred
24.10 oracular Ignored end of life, was deferred
24.04 LTS noble
Vulnerable, fix deferred
23.10 mantic Ignored end of life, was deferred
23.04 lunar Ignored end of life, was deferred
22.10 kinetic Ignored end of life, was deferred
22.04 LTS jammy
Vulnerable, fix deferred
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Vulnerable, fix deferred
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
Vulnerable, fix deferred
14.04 LTS trusty
Vulnerable, fix deferred
qemu-kvm 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

mdeslaur

as of 2023-11-30, proposed fix not committed

bruce-cable

as of 2024-11-11, proposed fix not committed

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

References

Other references