| Name | CVE-2024-36349 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| amd64-microcode (PTS) | bullseye/non-free | 3.20240820.1~deb11u1 | vulnerable |
| bullseye/non-free (security) | 3.20250311.1~deb11u1 | vulnerable |
| bookworm/non-free-firmware | 3.20250311.1~deb12u1 | vulnerable |
| bookworm/non-free-firmware (security) | 3.20230719.1~deb12u1 | vulnerable |
| sid/non-free-firmware, forky/non-free-firmware, trixie/non-free-firmware | 3.20250311.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| amd64-microcode | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://xenbits.xen.org/xsa/advisory-471.html
https://www.amd.com/content/dam/amd/en/documents/resources/bulletin/technical-guidance-for-mitigating-transient-scheduler-attacks.pdf
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7029.html
https://aka.ms/enter-exit-leak
https://www.microsoft.com/en-us/research/wp-content/uploads/2025/07/Enter-Exit-SP26.pdf
Not planned to be fixed, as leakage of TSC_AUX does not result in leakage of sensitive
information.