RLSA-2026:49213

Security

Mirrored from RHSA-2026:49213

Issued at: 2026-08-04

Updated at: 2026-08-08

Synopsis

Important: 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: rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692)

* kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)

* kernel: fanotify: fix false positive on permission events (CVE-2026-46150)

* kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle ()

* kernel: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530)

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

2464093

2467005

2482612

2504052

CVEs

CVE-2026-31692

CVE-2026-43116

CVE-2026-46150

CVE-2026-64530

Affected packages

Rocky Linux 8 x86_64 - NFV

kernel-rt-0:4.18.0-553.150.1.rt7.491.el8_10.src.rpm

kernel-rt-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

kernel-rt-modules-extra-0:4.18.0-553.150.1.rt7.491.el8_10.x86_64.rpm

Rocky Linux 8 x86_64 - RT