CVE-2025-29934 Affecting amd64-microcode package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-AMD64MICROCODE-14103925
  • published25 Nov 2025
  • disclosed21 Nov 2025

Introduced: 21 Nov 2025

NewCVE-2025-29934  (opens in a new tab)

How to fix?

There is no fixed version for Debian:unstable amd64-microcode.

NVD Description

Note: Versions mentioned in the description apply only to the upstream amd64-microcode package and not the amd64-microcode package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.