CVE-2023-31315
Public on 2024-08-12
Modified on 2024-08-28
Description
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | linux-firmware | 2024-08-14 | ALAS2-2024-2626 | Fixed |
| Amazon Linux 2023 | linux-firmware | 2024-08-14 | ALAS2023-2024-706 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | CVSSv3 | 6.8 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |