RHSA-2026:1148
Vulnerability Summary
Timeline
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
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-core
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-core
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-debuginfo
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-devel
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-kvm
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-modules
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debug-modules-extra
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debuginfo
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-debuginfo-common-x86_64
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-devel
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-kvm
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-modules
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
- redhat•kernel-rt-modules-extra
< 0:4.18.0-553.97.1.rt7.438.el8_10 | < 0:4.18.0-553.97.1.rt7.438.el8_10
References (23)
- https://access.redhat.com/errata/RHSA-2026:1148
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2402193
- https://bugzilla.redhat.com/show_bug.cgi?id=2414494
- https://bugzilla.redhat.com/show_bug.cgi?id=2418872
- https://bugzilla.redhat.com/show_bug.cgi?id=2419954
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1148.json
- https://access.redhat.com/security/cve/CVE-2023-53673
- https://www.cve.org/CVERecord?id=CVE-2023-53673
- https://nvd.nist.gov/vuln/detail/CVE-2023-53673
- https://lore.kernel.org/linux-cve-announce/2025100706-CVE-2023-53673-36b9@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40154
- https://www.cve.org/CVERecord?id=CVE-2025-40154
- https://nvd.nist.gov/vuln/detail/CVE-2025-40154
- https://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40154-fd98@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40248
- https://www.cve.org/CVERecord?id=CVE-2025-40248
- https://nvd.nist.gov/vuln/detail/CVE-2025-40248
- https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40277
- https://www.cve.org/CVERecord?id=CVE-2025-40277
- https://nvd.nist.gov/vuln/detail/CVE-2025-40277
- https://lore.kernel.org/linux-cve-announce/2025120717-CVE-2025-40277-d511@gregkh/T