RHSA-2026:51604

Description

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

CVSS Metrics

• v3.1•HIGH•Score: 8.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected Systems

• redhat•kernel-rt

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-core

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-core

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-debuginfo

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-devel

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-kvm

  < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-modules

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-modules-core

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debug-modules-extra

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debuginfo

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-debuginfo-common-x86_64

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-devel

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-kvm

  < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-modules

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-modules-core

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

• redhat•kernel-rt-modules-extra

  < 0:5.14.0-284.186.1.rt14.471.el9_2 | < 0:5.14.0-284.186.1.rt14.471.el9_2

References (33)

• https://access.redhat.com/errata/RHSA-2026:51604
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2406712
• https://bugzilla.redhat.com/show_bug.cgi?id=2464092
• https://bugzilla.redhat.com/show_bug.cgi?id=2481922
• https://bugzilla.redhat.com/show_bug.cgi?id=2486958
• https://bugzilla.redhat.com/show_bug.cgi?id=2492094
• https://bugzilla.redhat.com/show_bug.cgi?id=2507402
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_51604.json
• https://access.redhat.com/security/cve/CVE-2025-10263
• https://www.cve.org/CVERecord?id=CVE-2025-10263
• https://nvd.nist.gov/vuln/detail/CVE-2025-10263
• https://developer.arm.com/documentation/112137
• https://access.redhat.com/security/cve/CVE-2025-40026
• https://www.cve.org/CVERecord?id=CVE-2025-40026
• https://nvd.nist.gov/vuln/detail/CVE-2025-40026
• https://lore.kernel.org/linux-cve-announce/2025102841-CVE-2025-40026-760b@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-31787
• https://www.cve.org/CVERecord?id=CVE-2026-31787
• https://nvd.nist.gov/vuln/detail/CVE-2026-31787
• https://lore.kernel.org/linux-cve-announce/2026043034-CVE-2026-31787-f6cc@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-45984
• https://www.cve.org/CVERecord?id=CVE-2026-45984
• https://nvd.nist.gov/vuln/detail/CVE-2026-45984
• https://lore.kernel.org/linux-cve-announce/2026052739-CVE-2026-45984-107d@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-52923
• https://www.cve.org/CVERecord?id=CVE-2026-52923
• https://nvd.nist.gov/vuln/detail/CVE-2026-52923
• https://lore.kernel.org/linux-cve-announce/2026062431-CVE-2026-52923-35fb@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64531
• https://www.cve.org/CVERecord?id=CVE-2026-64531
• https://nvd.nist.gov/vuln/detail/CVE-2026-64531
• https://lore.kernel.org/linux-cve-announce/2026072732-CVE-2026-64531-e4ce@gregkh/T