| Name | CVE-2024-56161 |
| Description | Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP. |
| 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) | 3.20230719.1~deb11u1 | vulnerable |
| bookworm/non-free-firmware | 3.20240820.1~deb12u1 | vulnerable |
| bookworm/non-free-firmware (security) | 3.20230719.1~deb12u1 | vulnerable |
| trixie/non-free-firmware, sid/non-free-firmware | 3.20240820.1 | 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) | | | |
Notes
https://www.openwall.com/lists/oss-security/2025/01/22/1
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html
https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w