CVE-2023-42756

Public on 2023-09-28
Modified on 2024-04-22
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
See what this means
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 - Core kernel Pending Fix
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-11-01 ALAS2KERNEL-5.10-2023-042 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-10-19 ALAS2KERNEL-5.15-2023-028 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-11-01 ALAS2KERNEL-5.4-2023-055 Fixed
Amazon Linux 2023 kernel 2023-10-24 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 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H