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ALSA-2026:45116

ALSA-2026:45116 · Important: kernel-rt security 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: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026) * kernel: xfrm single-frag length not properly limited * kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059) * kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)

Fix available

Published
Updated

Stack: system

Affected products and versions

  • kernel-rt AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-debug AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-debug-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-debug-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-debug-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

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

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

  • kernel-rt-modules-extra AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-553.147.1.rt7.488.el8_10

    Update to 4.18.0-553.147.1.rt7.488.el8_10

Original sources

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