RHSA-2026:5693MediumCVSS 7.5

Red Hat Security Advisory: kernel security update

Published
March 25, 2026
Last Modified
November 9, 2026

🔗 CVE IDs covered (3)

CVE-2025-71085 →CVE-2022-49985 →CVE-2025-40240 →

📋 Description

CVE-2022-49985 — kernel: bpf: Don't use tnum_range on array range checking for poke descriptors CVE-2025-40240 — kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-71085 — kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

🎯 Affected products136

  • Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.0)
  • bpftool-debuginfo-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.171.1.el9_0.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-abi-stablelists-0:5.14.0-70.171.1.el9_0.noarch as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-core-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.171.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.171.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-0:5.14.0-70.171.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-core-0:5.14.0-70.171.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)
  • kernel-debug-core-0:5.14.0-70.171.1.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: 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 (6)