RHSA-2026:13936HighCVSS 8.1

Red Hat Security Advisory: kernel security update

Published
May 6, 2026
Last Modified
October 30, 2026

🔗 CVE IDs covered (9)

CVE-2026-23097 →CVE-2026-23191 →CVE-2026-23193 →CVE-2026-31431 →CVE-2025-37861 →CVE-2026-23243 →CVE-2026-23401 →CVE-2026-31402 →CVE-2026-43077 →

📋 Description

CVE-2025-37861 — kernel: scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue CVE-2026-23097 — kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23191 — kernel: ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23193 — kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() CVE-2026-23243 — kernel: Linux kernel: Denial of service and memory corruption in RDMA umad CVE-2026-23401 — kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31431 — kernel: crypto: algif_aead - Revert to operating out-of-place CVE-2026-43077 — kernel: crypto: algif_aead - Fix minimum RX size check for decryption

🎯 Affected products136

  • Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.178.1.el9_0.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-abi-stablelists-0:5.14.0-70.178.1.el9_0.noarch as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.178.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.178.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-core-0:5.14.0-70.178.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-core-0:5.14.0-70.178.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • +106 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: To mitigate this issue, prevent module iscsi_target_mod from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent module ib_umad from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: See the security bulletin for a detailed mitigation procedure.

🔗 References (11)