RHSA-2025:9498MediumCVSS 7.1

Red Hat Security Advisory: kernel security update

Published
June 24, 2025
Last Modified
August 15, 2026

🔗 CVE IDs covered (3)

CVE-2022-49328 →CVE-2022-49696 →CVE-2025-21764 →

📋 Description

CVE-2022-49328 — kernel: mt76: fix use-after-free by removing a non-RCU wcid pointer CVE-2022-49696 — kernel: tipc: fix use-after-free Read in tipc_named_reinit CVE-2025-21764 — kernel: ndisc: use RCU protection in ndisc_alloc_skb()

🎯 Affected products149

  • Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.149.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.149.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.149.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.149.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-core-0:4.18.0-372.149.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-core-0:4.18.0-372.149.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-core-0:4.18.0-372.149.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • +119 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.

🔗 References (6)