Red Hat Security Advisory: kernel security, bug fix, and enhancement update
🔗 CVE IDs covered (5)
📋 Description
CVE-2025-71113 — kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc CVE-2026-23110 — kernel: scsi: core: Wake up the error handler when final completions race against each other CVE-2026-46150 — kernel: fanotify: fix false positive on permission events CVE-2026-46215 — kernel: drm: Set old handle to NULL before prime swap in change_handle CVE-2026-53071 — kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp
🎯 Affected products200
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux BaseOS (v. 9)
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux Real Time (v. 9)
- Red Hat Enterprise Linux Real Time for NFV (v. 9)
- kernel-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-687.29.1.el9_8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-687.29.1.el9_8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-687.29.1.el9_8.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-687.29.1.el9_8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-core-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-core-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-debug-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- kernel-64k-debug-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9)
- kernel-64k-debug-devel-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-debug-devel-matched-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-debug-modules-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-modules-core-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debug-modules-extra-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- kernel-64k-debuginfo-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 9)
- kernel-64k-devel-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-devel-matched-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- kernel-64k-modules-0:5.14.0-687.29.1.el9_8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- +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 drm 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 (9)
- selfhttps://access.redhat.com/errata/RHSA-2026:43307
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429611
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2436755
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2481972
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2482612
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2482615
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2492458
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43307.json