CVE-2023-39193

Public on 2023-10-06
Modified on 2024-01-12
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 severity
Medium
CVSS v3 Base Score
5.1
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