CVE-2022-2588
Public on 2022-09-01
Modified on 2023-07-08
Description
A use-after-free flaw was found in route4_change in the net/sched/cls_route.c filter implementation in the Linux kernel. This flaw allows a local user to crash the system and possibly lead to a local privilege escalation problem.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-09-30 | ALAS-2022-1636 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-09-01 | ALAS2-2022-1838 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-09-30 | ALAS2-2022-1852 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-09-30 | ALAS2KERNEL-5.10-2022-020 | 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 | 2022-09-08 | ALAS2KERNEL-5.4-2022-035 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-09-30 | ALAS2KERNEL-5.4-2022-036 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.290-217.505 | 2022-12-01 | ALAS2LIVEPATCH-2022-094 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.135-122.509 | 2022-12-01 | ALAS2LIVEPATCH-2022-093 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/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 |