CVE-2021-47342
Public on 2024-05-21
Modified on 2025-02-04
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix possible UAF when remounting r/o a mmp-protected file system
ext4: fix possible UAF when remounting r/o a mmp-protected file system
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| HAQM Linux 1 | kernel | No Fix Planned | ||
| HAQM Linux 2 - Core | kernel | Pending Fix | ||
| HAQM Linux 2 - Kernel-5.4 Extra | kernel | Pending Fix | ||
| HAQM Linux 2 - Kernel-5.15 Extra | kernel | Not Affected | ||
| HAQM Linux 2 - Kernel-5.10 Extra | kernel | 2024-02-01 | ALAS2KERNEL-5.10-2024-049 | Fixed |
| HAQM Linux 2023 | kernel | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| HAQM Linux | CVSSv3 | 6.4 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |