CVE-2023-3111
Public on 2023-06-05
Modified on 2024-04-26
Description
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2023-06-21 | ALAS-2023-1773 | Fixed |
| Amazon Linux 2 - Core | kernel | 2023-06-21 | ALAS2-2023-2100 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-06-21 | ALAS2KERNEL-5.10-2023-034 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-09-30 | ALAS2KERNEL-5.15-2022-008 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-06-21 | ALAS2KERNEL-5.4-2023-047 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.7 | CVSS:3.1/AV:L/AC:L/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 |