A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.
| Platform | Package | Release Date | Advisory |
|---|---|---|---|
| Amazon Linux 1 | kernel | 2023-06-27 | ALAS-2023-1773 |
| Amazon Linux 2 - Core | kernel | 2023-06-27 | ALAS2-2023-2100 |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-06-28 | ALAS2KERNEL-5.10-2023-034 |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-06-28 | ALAS2KERNEL-5.15-2023-021 |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-06-28 | ALAS2KERNEL-5.4-2023-047 |
| Amazon Linux 2023 | kernel | 2023-06-07 | ALAS2023-2023-184 |
| 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 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
