Linux · Debian · Security advisory · November 21, 2025

DEBIAN-CVE-2025-29934: amd64-microcode security update

DEBIAN-CVE-2025-29934, released November 21, 2025, fixes 1 CVE in amd64-microcode (version 3.20251202.1). None of them is reported as exploited. Patch Radar priority: Routine.

Routine
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
5.3
Base score, 0 to 10
Highest EPSS
0.0012
1st percentile

Fixed package versions

ProductReleaseFixed in
amd64-microcodeDebian 143.20251202.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Routine CVE-2025-29934 amd64-microcode: A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entri...5.3 0.0012 None reported
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