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RLSA-2026:89814

Security Mirrored from RHSA-2026:89814
Issued at: 2026-10-26
Updated at: 2026-10-28

Advisory content derived from Red Hat RHSA-2026:89814, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Moderate: kernel-rt security update



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: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515)

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.



Affected products

Rocky Linux 8 x86_64

Fixes

2517006

CVEs

CVE-2026-74515

Affected packages

Rocky Linux 8 x86_64 - NFV

kernel-rt-modules-extra-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-0:4.18.0-553.179.1.rt7.520.el8_10.src.rpm kernel-rt-debug-core-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-devel-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-core-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-modules-extra-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-debuginfo-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-devel-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-modules-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-kvm-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-kvm-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-modules-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debug-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm kernel-rt-debuginfo-0:4.18.0-553.179.1.rt7.520.el8_10.x86_64.rpm