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Important: kernel-rt security update

Type: advisorySource: OSV1 source record

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: fbcon: Set fb_display[i]->mode to NULL when the mode is released (CVE-2025-40323) * kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942) * kernel: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg (CVE-2026-46230) * kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB (CVE-2026-46204) * kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg (CVE-2026-46199) * kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875) * kernel: net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer (CVE-2026-64034) * kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556) * kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159) * kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156) * kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155) * kernel: drm/amdgpu: Fix context pstate override handling (CVE-2026-68273) * kernel: perf: Reject exited events as group leaders (CVE-2026-74753) 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.

Announced Group revision 1
Original source ↗

ALSA-2026:72467

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:ALSA-2026:72467

kernel-rt

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

kernel-rt-core

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

kernel-rt-debug

Source reference: /affected/2/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

kernel-rt-debug-core

Source reference: /affected/3/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/3/ranges

Prerequisites
Not stated in this record

kernel-rt-debug-devel

Source reference: /affected/4/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/4/ranges

Prerequisites
Not stated in this record

kernel-rt-debug-modules

Source reference: /affected/5/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/5/ranges

Prerequisites
Not stated in this record

kernel-rt-debug-modules-extra

Source reference: /affected/6/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/6/ranges

Prerequisites
Not stated in this record

kernel-rt-devel

Source reference: /affected/7/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/7/ranges

Prerequisites
Not stated in this record

kernel-rt-modules

Source reference: /affected/8/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/8/ranges

Prerequisites
Not stated in this record

kernel-rt-modules-extra

Source reference: /affected/9/package/name

Affected versions
Not stated in this record
Fixed versions
4.18.0-553.169.1.rt7.510.el8_10

Source reference: /affected/9/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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    "package": {
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      "purl": "pkg:rpm/almalinux/kernel-rt-debug-modules-extra",
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    "package": {
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      "purl": "pkg:rpm/almalinux/kernel-rt-devel",
      "ecosystem": "AlmaLinux:8"
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    ],
    "package": {
      "name": "kernel-rt-modules-extra",
      "purl": "pkg:rpm/almalinux/kernel-rt-modules-extra",
      "ecosystem": "AlmaLinux:8"
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]

Publisher severity

No explicit severity was provided.

Event
#23438 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. ALSA-2026:72467 · Revision 1Source updated