[ALSA-2026:3110] Important: kernel-rt security update
Type:
security
Severity:
important
Release date:
2026-02-24
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: page_pool: Fix use-after-free in page_pool_recycle_in_ring (CVE-2025-38129) * kernel: Linux kernel:A use-after-free in bridge multicast in br_multicast_port_ctx_init (CVE-2025-38248) * kernel: smc: Fix use-after-free in __pnet_find_base_ndev() (CVE-2025-40064) * kernel: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats (CVE-2025-68800) * kernel: Linux kernel: Use-after-free in teql queueing discipline can lead to privilege escalation (CVE-2026-23074) 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.
References:
Updated packages listed below:
Architecture Package Checksum
x86_64 kernel-rt-debug-devel-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 1c541c3e1fc838a72fb131576913b647ea3903e990eb557e1a9b9461ef3305ef
x86_64 kernel-rt-debug-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 1d1505720fd6eae6efbf80a843a177083e5dff8fe7e9976bf26c635ffe43b71d
x86_64 kernel-rt-devel-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 21207a97313553ff6c9e3d07e304dbd4404021bc07a00424a4014e81a8fd1c91
x86_64 kernel-rt-modules-extra-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 3b4deaada583a7b096fd618f18b4175ce02fe35a8cc618b13c254667e3c8f48b
x86_64 kernel-rt-debug-core-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 3ccb3b3267d287a876fe60471f698f7c4a1f8025e860e7654386235e9fc836c8
x86_64 kernel-rt-modules-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 64d885f1ee067c052976407c95fc08d30127f0f6fd42df92ef6ed247efe1184c
x86_64 kernel-rt-core-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 812f667682e06cd003590a933c3102c2ef67b5991bb7c459227ac5eebba27eb0
x86_64 kernel-rt-debug-modules-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 88cda1c4d28060ff74f3b5be89961787992e0f6f8ed70fca1048f9ed8b7974d6
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm 9ea76888251423b85a57752d28c454c1548b4ab3d112d5fb10e57ae7fa16cbd8
x86_64 kernel-rt-4.18.0-553.107.1.rt7.448.el8_10.x86_64.rpm d9b1cc25de39f09cc8fd0e0a44171c005ac328bb57da93a595f346795133af20
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.