DEBIAN-CVE-2023-20569

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2023-20569
Published: 08 Aug 2023, 18:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Aug 2023, 18:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debian•amd64-microcode

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

  • debian•linux

    < 5.10.179-5 | < 6.1.38-4 | < 6.4.4-3 | < 6.4.4-3

References (1)