CVE-2023-42756

Public on 2023-09-28
Modified on 2024-01-14
Description
A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Pending Fix
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-10-12 ALAS2KERNEL-5.15-2023-028 Fixed
Amazon Linux 2023 kernel 2023-10-12 ALAS2023-2023-385 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/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