RLSA-2026:42550

Security

Mirrored from RHSA-2026:42550

Issued at: 2026-07-22

Updated at: 2026-07-23

Synopsis

Important: 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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)

* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)

Bug Fix(es) and Enhancement(s):

* [rhel-8] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected - at: vmd_pci_write+0x85/0xe0 - deadlock (JIRA:Rocky Linux-174916)

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

2482576

2492458

CVEs

CVE-2026-46117

CVE-2026-53071

Affected packages

Rocky Linux 8 x86_64 - NFV

kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.src.rpm

kernel-rt-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-core-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debuginfo-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-kvm-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-modules-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-debug-modules-extra-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-devel-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-kvm-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-modules-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

kernel-rt-modules-extra-0:4.18.0-553.146.1.rt7.487.el8_10.x86_64.rpm

Rocky Linux 8 x86_64 - RT