CVE-2023-31355
Public on 2024-08-05
Modified on 2024-12-19
Description
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| HAQM Linux 2 - Core | linux-firmware | Not Affected | ||
| HAQM Linux 2023 | linux-firmware | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| HAQM Linux | CVSSv3 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | CVSSv3 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |