RHSA-2026:57254

Description

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

CVSS Metrics

• v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Systems

• redhat•kernel-rt

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

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

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

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

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.157.1.rt7.498.el8_10 | < 0:4.18.0-553.157.1.rt7.498.el8_10

References (48)

• https://access.redhat.com/errata/RHSA-2026:57254
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2334501
• https://bugzilla.redhat.com/show_bug.cgi?id=2482614
• https://bugzilla.redhat.com/show_bug.cgi?id=2492403
• https://bugzilla.redhat.com/show_bug.cgi?id=2492788
• https://bugzilla.redhat.com/show_bug.cgi?id=2502443
• https://bugzilla.redhat.com/show_bug.cgi?id=2502447
• https://bugzilla.redhat.com/show_bug.cgi?id=2502589
• https://bugzilla.redhat.com/show_bug.cgi?id=2507135
• https://bugzilla.redhat.com/show_bug.cgi?id=2513470
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57254.json
• https://access.redhat.com/security/cve/CVE-2024-56602
• https://www.cve.org/CVERecord?id=CVE-2024-56602
• https://nvd.nist.gov/vuln/detail/CVE-2024-56602
• https://lore.kernel.org/linux-cve-announce/2024122703-CVE-2024-56602-d030@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46120
• https://www.cve.org/CVERecord?id=CVE-2026-46120
• https://nvd.nist.gov/vuln/detail/CVE-2026-46120
• https://lore.kernel.org/linux-cve-announce/2026052815-CVE-2026-46120-1a01@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-52991
• https://www.cve.org/CVERecord?id=CVE-2026-52991
• https://nvd.nist.gov/vuln/detail/CVE-2026-52991
• https://lore.kernel.org/linux-cve-announce/2026062444-CVE-2026-52991-18fe@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-53189
• https://www.cve.org/CVERecord?id=CVE-2026-53189
• https://nvd.nist.gov/vuln/detail/CVE-2026-53189
• https://lore.kernel.org/linux-cve-announce/2026062557-CVE-2026-53189-1b4a@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-63887
• https://www.cve.org/CVERecord?id=CVE-2026-63887
• https://nvd.nist.gov/vuln/detail/CVE-2026-63887
• https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63887-cf4b@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-63888
• https://www.cve.org/CVERecord?id=CVE-2026-63888
• https://nvd.nist.gov/vuln/detail/CVE-2026-63888
• https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63888-a5d6@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64048
• https://www.cve.org/CVERecord?id=CVE-2026-64048
• https://nvd.nist.gov/vuln/detail/CVE-2026-64048
• https://lore.kernel.org/linux-cve-announce/2026071907-CVE-2026-64048-a8e3@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-64379
• https://www.cve.org/CVERecord?id=CVE-2026-64379
• https://nvd.nist.gov/vuln/detail/CVE-2026-64379
• https://lore.kernel.org/linux-cve-announce/2026072525-CVE-2026-64379-242b@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-68388
• https://www.cve.org/CVERecord?id=CVE-2026-68388
• https://nvd.nist.gov/vuln/detail/CVE-2026-68388
• https://lore.kernel.org/linux-cve-announce/2026081046-CVE-2026-68388-0434@gregkh/T