CVE-2022-4378
Public on 2022-12-13
Modified on 2024-05-08
Description
A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | Not Affected | ||
| Amazon Linux 2 - Core | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-01-18 | ALAS2KERNEL-5.10-2023-025 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-01-18 | ALAS2KERNEL-5.15-2023-012 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.147-133.644 | 2023-01-18 | ALAS2LIVEPATCH-2023-097 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.147-133.644 | 2023-02-03 | ALAS2LIVEPATCH-2023-103 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.149-133.644 | 2023-01-18 | ALAS2LIVEPATCH-2023-099 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.149-133.644 | 2023-02-03 | ALAS2LIVEPATCH-2023-105 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.155-138.670 | 2023-01-18 | ALAS2LIVEPATCH-2023-101 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.155-138.670 | 2023-02-03 | ALAS2LIVEPATCH-2023-106 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.157-139.675 | 2023-01-18 | ALAS2LIVEPATCH-2023-102 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.157-139.675 | 2023-02-03 | ALAS2LIVEPATCH-2023-107 | 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 |