CVE-2024-36349

Publication date 8 July 2025

Last updated 21 January 2026

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

3.8 · Low

Score breakdown

Description

A transient execution vulnerability in some AMD processors may allow a user process to infer TSC_AUX even when such a read is disabled, potentially resulting in information leakage.

Read the notes from the security team

Why is this CVE low priority?

Leakage of TSC_AUX does not result in leakage of sensitive information

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
amd64-microcode 25.10 questing
Not affected
25.04 plucky Ignored end of life, was deferred [2025-07-10]
24.10 oracular Ignored end of life, was deferred [2025-07-10]
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
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

AMD does not plan to fix this as there is no leakage of sensitive information with the leakage of TSC_AUX.

Severity score breakdown

Parameter Value
Base score 3.8 · Low
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

References

Other references