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ALSA-2022:6437

ALSA-2022:6437 · Moderate: kernel-rt security and bug fix 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): * Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123) * Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125) * Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166) 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. Bug Fix(es): * The latest AlmaLinux 8.6.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2111112)

Fix available

Published
Updated

Stack: system

Affected products and versions

  • kernel-rt AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-debug AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-debug-core AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-debug-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-debug-kvm AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-debug-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

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

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-devel AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-kvm AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-modules AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

  • kernel-rt-modules-extra AlmaLinux:8

    Affected ranges
    • ECOSYSTEM: < 4.18.0-372.26.1.rt7.183.el8_6

    Update to 4.18.0-372.26.1.rt7.183.el8_6

Original sources

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