CVE-2023-3117
Public on 2023-06-30
Modified on 2024-03-01
Description
A use-after-free flaw was found in the Netfilter subsystem of the Linux kernel when processing named and anonymous sets in batch requests, which can lead to performing arbitrary reads and writes in kernel memory. This flaw allows a local user with CAP_NET_ADMIN capability 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 | 2023-07-13 | ALAS-2023-1783 | Fixed |
| Amazon Linux 2 - Core | kernel | 2023-07-17 | ALAS2-2023-2130 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-07-14 | ALAS2KERNEL-5.10-2023-037 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-07-14 | ALAS2KERNEL-5.15-2023-024 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-07-14 | ALAS2KERNEL-5.4-2023-049 | Fixed |
| Amazon Linux 2023 | kernel | 2023-07-17 | ALAS2023-2023-251 | 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 |