RHSA-2026:56225 — Security Advisory
Red Hat Security Advisory: kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · August 19, 2026
Updated · November 1, 2026
Topic
An update for multiple packages is now available for Red Hat Enterprise Linux 9.6 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-5.14.0-570.17.1.el9_6.
Security Fix(es):
-
kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038)
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kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)
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kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329)
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kernel: netfilter: nft_inner: Fix IPv6 inner_thoff desync (CVE-2026-46244)
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kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530)
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.