RHSA-2026:26428

Description

Red Hat Security Advisory: kernel-rt security 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

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

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

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

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

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.134.1.rt7.475.el8_10 | < 0:4.18.0-553.134.1.rt7.475.el8_10

References (43)

• https://access.redhat.com/errata/RHSA-2026:26428
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2461503
• https://bugzilla.redhat.com/show_bug.cgi?id=2464092
• https://bugzilla.redhat.com/show_bug.cgi?id=2464096
• https://bugzilla.redhat.com/show_bug.cgi?id=2467014
• https://bugzilla.redhat.com/show_bug.cgi?id=2468124
• https://bugzilla.redhat.com/show_bug.cgi?id=2482181
• https://bugzilla.redhat.com/show_bug.cgi?id=2482563
• https://bugzilla.redhat.com/show_bug.cgi?id=2482608
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26428.json
• https://access.redhat.com/security/cve/CVE-2026-31669
• https://www.cve.org/CVERecord?id=CVE-2026-31669
• https://nvd.nist.gov/vuln/detail/CVE-2026-31669
• https://lore.kernel.org/linux-cve-announce/2026042406-CVE-2026-31669-0e0d@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-31786
• https://www.cve.org/CVERecord?id=CVE-2026-31786
• https://nvd.nist.gov/vuln/detail/CVE-2026-31786
• https://lore.kernel.org/linux-cve-announce/2026043031-CVE-2026-31786-826a@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-2026-43110
• https://www.cve.org/CVERecord?id=CVE-2026-43110
• https://nvd.nist.gov/vuln/detail/CVE-2026-43110
• https://lore.kernel.org/linux-cve-announce/2026050624-CVE-2026-43110-7309@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-43329
• https://www.cve.org/CVERecord?id=CVE-2026-43329
• https://nvd.nist.gov/vuln/detail/CVE-2026-43329
• https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43329.mbox
• https://access.redhat.com/security/cve/CVE-2026-46056
• https://www.cve.org/CVERecord?id=CVE-2026-46056
• https://nvd.nist.gov/vuln/detail/CVE-2026-46056
• https://lore.kernel.org/linux-cve-announce/2026052754-CVE-2026-46056-0ff1@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46125
• https://www.cve.org/CVERecord?id=CVE-2026-46125
• https://nvd.nist.gov/vuln/detail/CVE-2026-46125
• https://lore.kernel.org/linux-cve-announce/2026052816-CVE-2026-46125-b5d0@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46152
• https://www.cve.org/CVERecord?id=CVE-2026-46152
• https://nvd.nist.gov/vuln/detail/CVE-2026-46152
• https://lore.kernel.org/linux-cve-announce/2026052822-CVE-2026-46152-ec8a@gregkh/T