CVE-2023-20592 Affecting amd64-microcode package, versions <3.20230719.1~deb11u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-DEBIAN11-AMD64MICROCODE-6057542
  • published15 Nov 2023
  • disclosed14 Nov 2023

Introduced: 14 Nov 2023

CVE-2023-20592  (opens in a new tab)

How to fix?

Upgrade Debian:11 amd64-microcode to version 3.20230719.1~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.

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

CVSS Scores

version 3.1