CVE-2022-4379
Public on 2022-12-20
Modified on 2024-05-08
Description
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial of service.
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 | 2023-04-13 | ALAS2KERNEL-5.10-2023-029 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-01-18 | ALAS2KERNEL-5.15-2023-012 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-04-13 | ALAS2KERNEL-5.15-2023-016 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.167-147.601 | 2023-05-25 | ALAS2LIVEPATCH-2023-127 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.173-154.642 | 2023-05-25 | ALAS2LIVEPATCH-2023-126 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.176-157.645 | 2023-05-25 | ALAS2LIVEPATCH-2023-125 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |