RHSA-2025:8346 — Security Advisory
Red Hat Security Advisory: kpatch-patch-4_18_0-477_43_1, kpatch-patch-4_18_0-477_67_1, kpatch-patch-4_18_0-477_81_1, and kpatch-patch-4_18_0-477_89_1 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · June 2, 2025
Updated · October 29, 2026
Topic
An update for kpatch-patch-4_18_0-477_43_1, kpatch-patch-4_18_0-477_67_1, kpatch-patch-4_18_0-477_81_1, and kpatch-patch-4_18_0-477_89_1 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-4.18.0-477.43.1.el8_8.
Security Fix(es):
-
kernel: netfilter: ipset: add missing range check in bitmap_ip_uadt (CVE-2024-53141)
-
kernel: vsock: Keep the binding until socket destruction (CVE-2025-21756)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.