RHSA-2026:95212 — Security Advisory
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 5, 2026
Updated · November 5, 2026
Topic
An update for kernel 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
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: sctp: stream: fully roll back denied add-stream state (CVE-2026-52929)
-
kernel: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket (CVE-2026-64541)
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kernel: sctp: clear new_transport when removing a peer (CVE-2026-74586)
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kernel: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp (CVE-2026-80864)
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kernel: RDMA/rxe: Fix OOB in free_rd_atomic_resources() (CVE-2026-80863)
-
kernel: openvswitch: Fix CT limit teardown use-after-free (CVE-2026-89488)
Bug Fix(es) and Enhancement(s):
- RHEL8.10 - s390/smp: Remove conditional emergency signal usage (JIRA:RHEL-298849)
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.