Linux · Debian · Security advisory · October 14, 2025

DEBIAN-CVE-2025-0033: amd64-microcode security update

DEBIAN-CVE-2025-0033, released October 14, 2025, fixes 1 CVE in amd64-microcode (version 3.20260923.1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0021
11th percentile

Fixed package versions

ProductReleaseFixed in
amd64-microcodeDebian 143.20260923.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2025-0033 AMD CVE-2025-0033: RMP Corruption During SNP Initialization8.2 0.0021 DisclosedExploitation Less Likely
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