RHSA-2026:2766

Description

Red Hat Security Advisory: kernel security update

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

• redhat•bpftool

  < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4

• redhat•bpftool-debuginfo

  < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4 | < 0:7.3.0-427.111.1.el9_4

• redhat•kernel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-debuginfo

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-devel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-devel-matched

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-modules

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-modules-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debug-modules-extra

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-debuginfo

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-devel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-devel-matched

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-modules

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-modules-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-64k-modules-extra

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-abi-stablelists

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-debuginfo

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-devel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-devel-matched

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-modules

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-modules-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-modules-extra

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debug-uki-virt

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debuginfo

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debuginfo-common-aarch64

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debuginfo-common-ppc64le

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debuginfo-common-s390x

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-debuginfo-common-x86_64

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-devel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-devel-matched

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-doc

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-modules

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-modules-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-modules-extra

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-debuginfo

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-devel

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-kvm

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-modules

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

• redhat•kernel-rt-debug-modules-core

  < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4 | < 0:5.14.0-427.111.1.el9_4

Showing first 50 affected entries in server-rendered view.

References (48)

• https://access.redhat.com/errata/RHSA-2026:2766
• https://access.redhat.com/security/updates/classification/#moderate
• https://bugzilla.redhat.com/show_bug.cgi?id=2365250
• https://bugzilla.redhat.com/show_bug.cgi?id=2383404
• https://bugzilla.redhat.com/show_bug.cgi?id=2393191
• https://bugzilla.redhat.com/show_bug.cgi?id=2394601
• https://bugzilla.redhat.com/show_bug.cgi?id=2401432
• https://bugzilla.redhat.com/show_bug.cgi?id=2419837
• https://bugzilla.redhat.com/show_bug.cgi?id=2419870
• https://bugzilla.redhat.com/show_bug.cgi?id=2419919
• https://bugzilla.redhat.com/show_bug.cgi?id=2424880
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2766.json
• https://access.redhat.com/security/cve/CVE-2025-37882
• https://www.cve.org/CVERecord?id=CVE-2025-37882
• https://nvd.nist.gov/vuln/detail/CVE-2025-37882
• https://lore.kernel.org/linux-cve-announce/2025050944-CVE-2025-37882-db64@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-2025-38730
• https://www.cve.org/CVERecord?id=CVE-2025-38730
• https://nvd.nist.gov/vuln/detail/CVE-2025-38730
• https://lore.kernel.org/linux-cve-announce/2025090403-CVE-2025-38730-f2e6@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-2025-39933
• https://www.cve.org/CVERecord?id=CVE-2025-39933
• https://nvd.nist.gov/vuln/detail/CVE-2025-39933
• https://lore.kernel.org/linux-cve-announce/2025100417-CVE-2025-39933-e224@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-40269
• https://www.cve.org/CVERecord?id=CVE-2025-40269
• https://nvd.nist.gov/vuln/detail/CVE-2025-40269
• https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40269-9769@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-2025-40304
• https://www.cve.org/CVERecord?id=CVE-2025-40304
• https://nvd.nist.gov/vuln/detail/CVE-2025-40304
• https://lore.kernel.org/linux-cve-announce/2025120820-CVE-2025-40304-47b3@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-68349
• https://www.cve.org/CVERecord?id=CVE-2025-68349
• https://nvd.nist.gov/vuln/detail/CVE-2025-68349
• https://lore.kernel.org/linux-cve-announce/2025122453-CVE-2025-68349-12d5@gregkh/T