RHSA-2026:1661

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

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

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

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

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

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.100.1.rt7.441.el8_10 | < 0:4.18.0-553.100.1.rt7.441.el8_10

References (53)

• https://access.redhat.com/errata/RHSA-2026:1661
• https://access.redhat.com/security/updates/classification/#moderate
• https://bugzilla.redhat.com/show_bug.cgi?id=2273187
• https://bugzilla.redhat.com/show_bug.cgi?id=2373326
• https://bugzilla.redhat.com/show_bug.cgi?id=2373354
• https://bugzilla.redhat.com/show_bug.cgi?id=2383404
• https://bugzilla.redhat.com/show_bug.cgi?id=2383487
• https://bugzilla.redhat.com/show_bug.cgi?id=2394601
• https://bugzilla.redhat.com/show_bug.cgi?id=2418876
• https://bugzilla.redhat.com/show_bug.cgi?id=2419837
• https://bugzilla.redhat.com/show_bug.cgi?id=2419902
• https://bugzilla.redhat.com/show_bug.cgi?id=2426226
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1661.json
• https://access.redhat.com/security/cve/CVE-2022-50865
• https://www.cve.org/CVERecord?id=CVE-2022-50865
• https://nvd.nist.gov/vuln/detail/CVE-2022-50865
• https://lore.kernel.org/linux-cve-announce/2025123049-CVE-2022-50865-281e@gregkh/T
• https://access.redhat.com/security/cve/CVE-2024-26766
• https://www.cve.org/CVERecord?id=CVE-2024-26766
• https://nvd.nist.gov/vuln/detail/CVE-2024-26766
• https://lore.kernel.org/linux-cve-announce/2024040306-CVE-2024-26766-6b6a@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-38022
• https://www.cve.org/CVERecord?id=CVE-2025-38022
• https://nvd.nist.gov/vuln/detail/CVE-2025-38022
• https://lore.kernel.org/linux-cve-announce/2025061846-CVE-2025-38022-41b3@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-38024
• https://www.cve.org/CVERecord?id=CVE-2025-38024
• https://nvd.nist.gov/vuln/detail/CVE-2025-38024
• https://lore.kernel.org/linux-cve-announce/2025061847-CVE-2025-38024-2904@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-38415
• https://www.cve.org/CVERecord?id=CVE-2025-38415
• https://nvd.nist.gov/vuln/detail/CVE-2025-38415
• https://lore.kernel.org/linux-cve-announce/2025072513-CVE-2025-38415-c634@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-38459
• https://www.cve.org/CVERecord?id=CVE-2025-38459
• https://nvd.nist.gov/vuln/detail/CVE-2025-38459
• https://lore.kernel.org/linux-cve-announce/2025072507-CVE-2025-38459-e941@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-39760
• https://www.cve.org/CVERecord?id=CVE-2025-39760
• https://nvd.nist.gov/vuln/detail/CVE-2025-39760
• https://lore.kernel.org/linux-cve-announce/2025091145-CVE-2025-39760-2d5f@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-40258
• https://www.cve.org/CVERecord?id=CVE-2025-40258
• https://nvd.nist.gov/vuln/detail/CVE-2025-40258
• https://lore.kernel.org/linux-cve-announce/2025120433-CVE-2025-40258-d10d@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-40271
• https://www.cve.org/CVERecord?id=CVE-2025-40271
• https://nvd.nist.gov/vuln/detail/CVE-2025-40271
• https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40271-7612@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-40322
• https://www.cve.org/CVERecord?id=CVE-2025-40322
• https://nvd.nist.gov/vuln/detail/CVE-2025-40322
• https://lore.kernel.org/linux-cve-announce/2025120823-CVE-2025-40322-6355@gregkh/T