RHSA-2026:13577 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · May 5, 2026

Updated · October 30, 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: nvme: avoid double free special payload (CVE-2024-41073)
kernel: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() (CVE-2025-40252)
kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id (CVE-2025-68724)
kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (CVE-2026-31402)
kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401)
kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)

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.