RHSA-2026:81452 — Security Advisory
Red Hat Security Advisory: kpatch-patch-5_14_0-687_10_1 and kpatch-patch-5_14_0-687_42_1 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 13, 2026
Updated · October 30, 2026
Topic
An update for multiple packages is now available for Red Hat Enterprise Linux 9.
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-5.14.0-687.10.1.el9_8.
Security Fix(es):
-
kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)
-
kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176)
-
kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)
-
kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (CVE-2026-64002)
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.