RHSA-2026:92208 — Security Advisory

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · October 29, 2026

Updated · November 4, 2026

Topic

An update for kernel-rt 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

kernel: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (CVE-2026-72288)
kernel: KVM: arm64: vgic: Check the interrupt is still ours before migrating it (CVE-2026-72289)
kernel: scsi: target: iscsi: Reserve a terminator byte for the login payload (CVE-2026-90011)
kernel: KEYS: encrypted: fix integer overflow of datablob_len (CVE-2026-98222)

Bug Fix(es) and Enhancement(s):

ipv4: ip_gre: make ipgre_header() robust (rhel-8.10.z) (JIRA:RHEL-271135)
ip6_gre: make ip6gre_header() robust (rhel-8.10.z) (JIRA:RHEL-271136)

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.