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CVE-2022-3165

Publication date 17 October 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.

Read the notes from the security team

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
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

rodrigo-zaiden

from the patch being proposed in qemu-devel list it was introduced in v6.1.0-rc0 with commit https://gitlab.com/qemu-project/qemu/-/commit/0bf41cab93e5c72dcda717abd625698b59d9ba3e

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 Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H