CVE-2025-29943
Fixed in a distro release EPSS <1%CVSS 4.6
Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest.
Products: AMD EPYC™ 9004 Series Processors, AMD EPYC™ 9005 Series Processors, AMD EPYC™ 8004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9005 Series Processors
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | amd64-microcode | no fix |
| Debian 13 | amd64-microcode | no fix |
| Debian 14 | amd64-microcode | 3.20251202.1 |
| Ubuntu 14.04 LTS | amd64-microcode | no fix |
| Ubuntu 20.04 LTS | amd64-microcode | no fix |
| Ubuntu 22.04 LTS | amd64-microcode | no fix |
| Ubuntu 24.04 LTS | amd64-microcode | 3.20251202.1ubuntu0.24.04.1 |
| Ubuntu 25.10 | amd64-microcode | 3.20251202.1ubuntu0.25.10.1 |
| Ubuntu 26.04 LTS | amd64-microcode | 3.20251202.1ubuntu1 |
| Ubuntu Pro 16.04 LTS | amd64-microcode | no fix |
| Ubuntu Pro 18.04 LTS | amd64-microcode | no fix |
| openSUSE Tumbleweed | spectre-meltdown-checker | 26.36.0602723-1.1 |