RHSA-2026:36348

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

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

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

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

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

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.140.1.rt7.481.el8_10 | < 0:4.18.0-553.140.1.rt7.481.el8_10

References (33)

• https://access.redhat.com/errata/RHSA-2026:36348
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2467228
• https://bugzilla.redhat.com/show_bug.cgi?id=2468228
• https://bugzilla.redhat.com/show_bug.cgi?id=2482564
• https://bugzilla.redhat.com/show_bug.cgi?id=2482636
• https://bugzilla.redhat.com/show_bug.cgi?id=2484477
• https://bugzilla.redhat.com/show_bug.cgi?id=2486958
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36348.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-2026-43198
• https://www.cve.org/CVERecord?id=CVE-2026-43198
• https://nvd.nist.gov/vuln/detail/CVE-2026-43198
• https://lore.kernel.org/linux-cve-announce/2026050645-CVE-2026-43198-0870@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-43450
• https://www.cve.org/CVERecord?id=CVE-2026-43450
• https://nvd.nist.gov/vuln/detail/CVE-2026-43450
• https://lore.kernel.org/linux-cve-announce/2026050857-CVE-2026-43450-8919@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46209
• https://www.cve.org/CVERecord?id=CVE-2026-46209
• https://nvd.nist.gov/vuln/detail/CVE-2026-46209
• https://lore.kernel.org/linux-cve-announce/2026052834-CVE-2026-46209-e4e9@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46227
• https://www.cve.org/CVERecord?id=CVE-2026-46227
• https://nvd.nist.gov/vuln/detail/CVE-2026-46227
• https://lore.kernel.org/linux-cve-announce/2026052838-CVE-2026-46227-4bf1@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46259
• https://www.cve.org/CVERecord?id=CVE-2026-46259
• https://nvd.nist.gov/vuln/detail/CVE-2026-46259
• https://lore.kernel.org/linux-cve-announce/2026060336-CVE-2026-46259-6c94@gregkh/T