CVE-2023-3772
Public on 2023-07-25
Modified on 2024-04-22
Description
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2023-09-27 | ALAS-2023-1838 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Core | kernel | 2023-09-27 | ALAS2-2023-2264 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-08-31 | ALAS2KERNEL-5.15-2023-026 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-09-27 | ALAS2KERNEL-5.4-2023-053 | Fixed |
| Amazon Linux 2023 | kernel | 2023-08-31 | ALAS2023-2023-330 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv3 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |