RHSA-2026:59737

Description

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

CVSS Metrics

• v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

• redhat•kernel-rt

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

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

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

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

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.158.1.rt7.499.el8_10 | < 0:4.18.0-553.158.1.rt7.499.el8_10

References (43)

• https://access.redhat.com/errata/RHSA-2026:59737
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2492095
• https://bugzilla.redhat.com/show_bug.cgi?id=2502329
• https://bugzilla.redhat.com/show_bug.cgi?id=2502438
• https://bugzilla.redhat.com/show_bug.cgi?id=2502872
• https://bugzilla.redhat.com/show_bug.cgi?id=2502889
• https://bugzilla.redhat.com/show_bug.cgi?id=2507061
• https://bugzilla.redhat.com/show_bug.cgi?id=2507290
• https://bugzilla.redhat.com/show_bug.cgi?id=2507301
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_59737.json
• https://access.redhat.com/security/cve/CVE-2026-52924
• https://www.cve.org/CVERecord?id=CVE-2026-52924
• https://nvd.nist.gov/vuln/detail/CVE-2026-52924
• https://lore.kernel.org/linux-cve-announce/2026062431-CVE-2026-52924-9f0b@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-63886
• https://www.cve.org/CVERecord?id=CVE-2026-63886
• https://nvd.nist.gov/vuln/detail/CVE-2026-63886
• https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63886-48e4@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-63913
• https://www.cve.org/CVERecord?id=CVE-2026-63913
• https://nvd.nist.gov/vuln/detail/CVE-2026-63913
• https://lore.kernel.org/linux-cve-announce/2026071946-CVE-2026-63913-9646@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64189
• https://www.cve.org/CVERecord?id=CVE-2026-64189
• https://nvd.nist.gov/vuln/detail/CVE-2026-64189
• https://lore.kernel.org/linux-cve-announce/2026072051-CVE-2026-64189-b911@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64191
• https://www.cve.org/CVERecord?id=CVE-2026-64191
• https://nvd.nist.gov/vuln/detail/CVE-2026-64191
• https://lore.kernel.org/linux-cve-announce/2026072052-CVE-2026-64191-42fe@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64276
• https://www.cve.org/CVERecord?id=CVE-2026-64276
• https://nvd.nist.gov/vuln/detail/CVE-2026-64276
• https://lore.kernel.org/linux-cve-announce/2026072501-CVE-2026-64276-b80d@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64277
• https://www.cve.org/CVERecord?id=CVE-2026-64277
• https://nvd.nist.gov/vuln/detail/CVE-2026-64277
• https://lore.kernel.org/linux-cve-announce/2026072501-CVE-2026-64277-34e2@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64320
• https://www.cve.org/CVERecord?id=CVE-2026-64320
• https://nvd.nist.gov/vuln/detail/CVE-2026-64320
• https://lore.kernel.org/linux-cve-announce/2026072511-CVE-2026-64320-4b43@gregkh/T