Linux · Security advisory · October 25, 2025

DLA-4347-1: intel-microcode security update

DLA-4347-1, released October 25, 2025, fixes 1 CVE in intel-microcode (version 3.20250812.1~deb11u1). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

RoutineUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0016
5th percentile

Fixed package versions

ProductReleaseFixed in
intel-microcodeDebian 11.6 (bullseye)3.20250812.1~deb11u1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Routine CVE-2025-20053 intel-microcode: Improper buffer restrictions for some Intel(R) Xeon(R) Processor firmwarewith SGX enabled may allow a privileged user... n/a 0.0016 None reported
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