DEBIAN-CVE-2023-20592

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2023-20592
Published: 14 Nov 2023, 19:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Nov 2023, 19:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • debian•amd64-microcode

    < 3.20230719.1~deb11u1 | < 3.20230719.1~deb12u1 | < 3.20230719.1 | < 3.20230719.1

References (1)