CVE-2023-31356 Affecting amd64-microcode package, versions <3.20240820.1~deb11u1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-DEBIAN11-AMD64MICROCODE-7707282
  • published17 Aug 2024
  • disclosed13 Aug 2024

Introduced: 13 Aug 2024

CVE-2023-31356  (opens in a new tab)

How to fix?

Upgrade Debian:11 amd64-microcode to version 3.20240820.1~deb11u1 or higher.

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:11 relevant fixed versions and status.

Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.

CVSS Scores

version 3.1