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ALSA-2026:50979

ALSA-2026:50979 · Important: kernel-rt security, bug fix, and enhancement update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

Fix available

Published
Updated

Stack: system

Affected products and versions

  • kernel-rt AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-debug AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-debug-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-debug-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-debug-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-debug-modules-extra AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

  • kernel-rt-modules-extra AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.153.1.rt7.494.el8_10

    Update to 4.18.0-553.153.1.rt7.494.el8_10

Original sources

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