CVE-2023-20569
Public on 2023-08-08
Modified on 2024-04-09
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | kernel | 2023-08-03 | ALAS2-2023-2179 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-08-03 | ALAS2KERNEL-5.10-2023-038 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-08-03 | ALAS2KERNEL-5.15-2023-025 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-08-03 | ALAS2KERNEL-5.4-2023-050 | Fixed |
| Amazon Linux 2023 | kernel | 2023-08-03 | ALAS2023-2023-285 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N |
| NVD | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |