[ALSA-2026:50979] Important: kernel-rt security, bug fix, and enhancement update
Type:
security
Severity:
important
Release date:
2026-08-06
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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation (CVE-2025-54518) Bug Fix(es) and Enhancement(s): * Kernel crash in bpf_for_each_array_elem() due to missing backport of upstream commit 4b6313cf99b0 (JIRA:AlmaLinux-191844) * gfs2: xfstests generic/363 failure [almalinux-8.10.z] (JIRA:AlmaLinux-214099) * AlmaLinux8: HYPERV hv_storvsc driver can we add additional code to allow PERSISTENT_RESERVE_IN [AlmaLinux 8.10Z] (JIRA:AlmaLinux-188270) 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-core-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 45597ae2b2523f8a8737a1d91a42e0804aff58a38ba8781a91056efb810d7a21
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 6bbf17f31e8184771c37fdde6f1ea862081a49e467fd72d341355943d4d8d17f
x86_64 kernel-rt-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 6fbc2156be6d472e199e0e9b47ac9e00ac7521670389d4c9f7874a0b3986a5fb
x86_64 kernel-rt-debug-modules-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 701576e6594c58c2e28bf740ca866d1fa2c675c538b70ccca04d97e234a63451
x86_64 kernel-rt-debug-core-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 7d1c555cfd9e874aefb18bd25282da7775f30bae91a0e792ec43dd07e4ae2ed4
x86_64 kernel-rt-modules-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 7e0a8b547d35bce58d1067b61ee9f0bf71ecadd5ac74d14349b123d54a5e1069
x86_64 kernel-rt-debug-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm 89a71c0015a4568192baf07d53455c8ee3519ed9a77861704ec56fea8c6eceee
x86_64 kernel-rt-devel-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm f3b0b9998dcaaeef64a1d6b6d4fda2aea003b5d28cb5a10c5784e521ba880288
x86_64 kernel-rt-modules-extra-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm f861dcb4c6a865f844b861f0e29b129670ea866cf51e08aff43bdb06ce2ed103
x86_64 kernel-rt-debug-devel-4.18.0-553.153.1.rt7.494.el8_10.x86_64.rpm f9ff6b9051477d5abe9005a2befe78a71e1f3c17d9a6c3b997d70e7481c31ac5
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.