CVE-2022-29581
Public on 2022-05-17
Modified on 2023-01-18
Description
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-05-31 | ALAS-2022-1591 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-05-31 | ALAS2-2022-1798 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-06-04 | ALAS2KERNEL-5.10-2022-014 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-06-06 | ALAS2KERNEL-5.15-2022-001 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-06-29 | ALAS2KERNEL-5.15-2023-023 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-06-04 | ALAS2KERNEL-5.4-2022-026 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.276-211.499 | 2022-07-28 | ALAS2LIVEPATCH-2022-091 | 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 |
| NVD | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |