CVE-2025-29943

NameCVE-2025-29943
DescriptionWrite 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 PackageReleaseVersionStatus
amd64-microcode (PTS)bookworm/non-free-firmware3.20250311.1~deb12u1vulnerable
bookworm/non-free-firmware (security)3.20230719.1~deb12u1vulnerable
trixie/non-free-firmware3.20250311.1vulnerable
forky/non-free-firmware, sid/non-free-firmware3.20251202.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
amd64-microcodesource(unstable)3.20251202.1

Notes

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3027.html
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