RHSA-2026:39082

Description

Red Hat Security Advisory: kernel-rt update

CVSS Metrics

• v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Systems

• redhat•kernel-rt

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-core

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug-core

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug-debuginfo

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug-devel

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug-kvm

  < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debug-modules

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

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

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-debuginfo

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

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

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-devel

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-kvm

  < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-modules

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

• redhat•kernel-rt-modules-extra

  < 0:4.18.0-553.143.1.rt7.484.el8_10 | < 0:4.18.0-553.143.1.rt7.484.el8_10

References (45)

• https://access.redhat.com/errata/RHSA-2026:39082
• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2429036
• https://bugzilla.redhat.com/show_bug.cgi?id=2429104
• https://bugzilla.redhat.com/show_bug.cgi?id=2456521
• https://bugzilla.redhat.com/show_bug.cgi?id=2480453
• https://bugzilla.redhat.com/show_bug.cgi?id=2482587
• https://bugzilla.redhat.com/show_bug.cgi?id=2485368
• https://bugzilla.redhat.com/show_bug.cgi?id=2492805
• https://bugzilla.redhat.com/show_bug.cgi?id=2497033
• https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39082.json
• https://access.redhat.com/security/cve/CVE-2025-71066
• https://www.cve.org/CVERecord?id=CVE-2025-71066
• https://nvd.nist.gov/vuln/detail/CVE-2025-71066
• https://lore.kernel.org/linux-cve-announce/2026011323-CVE-2025-71066-f1fa@gregkh/T
• https://access.redhat.com/security/cve/CVE-2025-71089
• https://www.cve.org/CVERecord?id=CVE-2025-71089
• https://nvd.nist.gov/vuln/detail/CVE-2025-71089
• https://lore.kernel.org/linux-cve-announce/2026011341-CVE-2025-71089-a642@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-31411
• https://www.cve.org/CVERecord?id=CVE-2026-31411
• https://nvd.nist.gov/vuln/detail/CVE-2026-31411
• https://lore.kernel.org/linux-cve-announce/2026040820-CVE-2026-31411-7ef9@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-43499
• https://access.redhat.com/security/vulnerabilities/RHSB-2026-010
• https://www.cve.org/CVERecord?id=CVE-2026-43499
• https://nvd.nist.gov/vuln/detail/CVE-2026-43499
• https://lore.kernel.org/linux-cve-announce/2026052158-CVE-2026-43499-1294@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-46113
• https://www.cve.org/CVERecord?id=CVE-2026-46113
• https://nvd.nist.gov/vuln/detail/CVE-2026-46113
• https://lore.kernel.org/linux-cve-announce/2026052813-CVE-2026-46113-f083@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-53166
• https://www.cve.org/CVERecord?id=CVE-2026-53166
• https://nvd.nist.gov/vuln/detail/CVE-2026-53166
• https://lore.kernel.org/linux-cve-announce/2026062551-CVE-2026-53166-2861@gregkh/T
• https://access.redhat.com/security/cve/CVE-2026-53266
• https://www.cve.org/CVERecord?id=CVE-2026-53266
• https://nvd.nist.gov/vuln/detail/CVE-2026-53266
• https://lore.kernel.org/linux-cve-announce/2026062517-CVE-2026-53266-6162@gregkh/T/#u
• https://access.redhat.com/security/cve/CVE-2026-53359
• https://www.cve.org/CVERecord?id=CVE-2026-53359
• https://nvd.nist.gov/vuln/detail/CVE-2026-53359
• https://lore.kernel.org/linux-cve-announce/2026070403-CVE-2026-53359-4f57@gregkh/T
• https://www.openwall.com/lists/oss-security/2026/07/06/7