RHSA-2026:36049

Description

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

CVSS Metrics

• v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

• redhat•kernel-rt

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

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

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

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

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.139.1.rt7.480.el8_10 | < 0:4.18.0-553.139.1.rt7.480.el8_10

References (18)

• https://access.redhat.com/errata/RHSA-2026:36049
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2440630
• https://bugzilla.redhat.com/show_bug.cgi?id=2481922
• https://bugzilla.redhat.com/show_bug.cgi?id=2482588
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36049.json
• https://access.redhat.com/security/cve/CVE-2026-23216
• https://www.cve.org/CVERecord?id=CVE-2026-23216
• https://nvd.nist.gov/vuln/detail/CVE-2026-23216
• https://lore.kernel.org/linux-cve-announce/2026021800-CVE-2026-23216-6c63@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-2026-46189
• https://www.cve.org/CVERecord?id=CVE-2026-46189
• https://nvd.nist.gov/vuln/detail/CVE-2026-46189
• https://lore.kernel.org/linux-cve-announce/2026052831-CVE-2026-46189-c188@gregkh/T