CVE-2022-0216

Publication date 26 August 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	22.10 kinetic	Fixed 1:7.0+dfsg-7ubuntu2.1
	22.04 LTS jammy	Fixed 1:6.2+dfsg-2ubuntu6.6
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 1:4.2-3ubuntu6.24
	18.04 LTS bionic	Fixed 1:2.11+dfsg-1ubuntu7.41
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.51+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.47+esm2 Ubuntu Pro

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Patch details

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

Package	Patch details
qemu	Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=6c8fa961da5e60f574bb52fd3ad44b1e9e8ad4b8 Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=4367a20cc442c56b05611b4224de9a61908f9eac

Severity score breakdown

Parameter	Value
Base score	4.4 · Medium
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

References

Related Ubuntu Security Notices (USN)

USN-5772-1
QEMU vulnerabilities
12 December 2022