Red Hat Security Advisory: kernel security update

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products200

• Red Hat Enterprise Linux AppStream (v. 10)
• Red Hat Enterprise Linux BaseOS (v. 10)
• Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• Red Hat Enterprise Linux Real Time (v. 10)
• Red Hat Enterprise Linux Real Time for NFV (v. 10)
• kernel-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-0:6.12.0-55.38.1.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-0:6.12.0-55.38.1.el10_0.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-0:6.12.0-55.38.1.el10_0.src as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-0:6.12.0-55.38.1.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-core-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-core-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-debug-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• kernel-64k-debug-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 10)
• kernel-64k-debug-devel-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-debug-devel-matched-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-debug-modules-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-modules-core-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debug-modules-extra-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• kernel-64k-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
• kernel-64k-debuginfo-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 10)
• kernel-64k-devel-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-devel-matched-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
• kernel-64k-modules-0:6.12.0-55.38.1.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
• +170 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: To mitigate this issue, prevent module sctp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

🔗 References (5)

• selfhttps://access.redhat.com/errata/RHSA-2025:17396
• externalhttps://access.redhat.com/security/updates/classification/#moderate
• externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2360224
• externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2393166
• selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_17396.json