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CVE-2022-0216

Publication date 26 August 2022

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

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

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
14.04 LTS trusty

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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

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

Other references