RLSA-2026:49851

Security

Mirrored from RHSA-2026:49851

Issued at: 2026-08-06

Updated at: 2026-08-08

Synopsis

Moderate: kernel-rt security, bug fix, and enhancement 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: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)

Bug Fix(es) and Enhancement(s):

* Rocky Linux8.10 - KVM: s390: Limit adapter indicator access to mapped page (JIRA:Rocky Linux-183880)

* CIFS mounts do not work with the latest kernel (JIRA:Rocky Linux-213976)

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

2492094

CVEs

CVE-2026-52923

Affected packages

Rocky Linux 8 x86_64 - NFV

kernel-rt-0:4.18.0-553.151.1.rt7.492.el8_10.src.rpm

kernel-rt-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

kernel-rt-modules-extra-0:4.18.0-553.151.1.rt7.492.el8_10.x86_64.rpm

Rocky Linux 8 x86_64 - RT