CVE-2023-39193
Public on 2023-10-06
Modified on 2024-04-22
Description
A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.
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 - Core | kernel | 2023-09-27 | ALAS2-2023-2264 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-09-27 | ALAS2KERNEL-5.10-2023-040 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-09-27 | ALAS2KERNEL-5.15-2023-027 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-09-27 | ALAS2KERNEL-5.4-2023-053 | Fixed |
| Amazon Linux 2023 | kernel | 2023-09-27 | ALAS2023-2023-356 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.1 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L |
| NVD | CVSSv3 | 6.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L |