CVE-2024-56161
Fixed in a distro release EPSS <1%CVSS 7.2
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.
Products: AMD EPYC™ 7001 Series, AMD EPYC™ 7002 Series, AMD EPYC™ 7003 Series, AMD EPYC™ 9004 Series
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 11 | amd64-microcode | 3.20250311.1~deb11u1 |
| Debian 12 | amd64-microcode | 3.20250311.1~deb12u1 |
| Debian 13 | amd64-microcode | 3.20250311.1 |
| Debian 14 | amd64-microcode | 3.20250311.1 |
| Ubuntu 24.04 LTS | amd64-microcode | 3.20250311.1ubuntu0.24.04.1 |
| Ubuntu 25.04 | amd64-microcode | 3.20250311.1ubuntu0.25.04.1 |
| openSUSE Tumbleweed | spectre-meltdown-checker | 26.36.0602723-1.1 |