RHSA-2026:47998 — Security Advisory
Red Hat Security Advisory: kpatch-patch security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · July 30, 2026
Updated · November 3, 2026
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.
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-4.18.0-553.53.1.el8_10.
Security Fix(es):
- kernel: XFS data corruption using reflink (CVE-2026-64600)
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.