RLSA-2025:19932

Security

Mirrored from RHSA-2025:19932

Issued at: 2025-11-13

Updated at: 2025-11-16

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: x86/vmscape: Add conditional IBPB mitigation (CVE-2025-40300)

* kernel: mm: fix zswap writeback race condition (CVE-2023-53178)

* kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy (CVE-2022-50367)

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

2394627

2395358

2396114

CVEs

CVE-2022-50367

CVE-2023-53178

CVE-2025-40300

Affected packages

Rocky Linux 8 x86_64 - NFV

kernel-rt-0:4.18.0-553.83.1.rt7.424.el8_10.src.rpm

kernel-rt-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

kernel-rt-modules-extra-0:4.18.0-553.83.1.rt7.424.el8_10.x86_64.rpm

Rocky Linux 8 x86_64 - RT