CVE-2023-2177
Public on 2023-04-19
Modified on 2024-03-06
Description
A NULL pointer dereference issue was found in the SCTP network protocol in net/sctp/stream_sched.c in the Linux kernel. If stream_in allocation fails, stream_out is freed, which would be accessed further. This flaw allows a local user to crash the system or potentially cause a denial of service.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | Pending Fix | ||
| Amazon Linux 2 - Core | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-08-15 | ALAS2KERNEL-5.10-2022-019 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-09-08 | ALAS2KERNEL-5.15-2022-007 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-08-15 | ALAS2KERNEL-5.4-2022-034 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | 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 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |