RHSA-2026:14925HighCVSS 7.8

Red Hat Security Advisory: kernel security update

Published
May 7, 2026
Last Modified
October 30, 2026

🔗 CVE IDs covered (4)

CVE-2025-40240 →CVE-2026-23191 →CVE-2026-31402 →CVE-2018-16885 →

📋 Description

CVE-2018-16885 — kernel: out-of-bound read in memcpy_fromiovecend() CVE-2025-40240 — kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2026-23191 — kernel: ALSA: aloop: Fix racy access at PCM trigger CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

🎯 Affected products95

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.149.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.149.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.149.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.149.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.149.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.149.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-abi-whitelists-0:3.10.0-1160.149.1.el7.noarch as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.149.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.149.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.149.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.149.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.149.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • +65 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. 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.

🔗 References (7)