RHSA-2025:15656HighCVSS 7.8

Red Hat Security Advisory: kernel security update

Published
September 10, 2025
Last Modified
July 30, 2026

🔗 CVE IDs covered (6)

CVE-2025-22058 →CVE-2025-38352 →CVE-2025-38464 →CVE-2022-50211 →CVE-2023-2513 →CVE-2025-21759 →

📋 Description

CVE-2022-50211 — kernel: md-raid10: fix KASAN warning CVE-2023-2513 — kernel: ext4: use-after-free in ext4_xattr_set_entry() CVE-2025-21759 — kernel: ipv6: mcast: extend RCU protection in igmp6_send() CVE-2025-22058 — kernel: udp: Fix memory accounting leak. CVE-2025-38352 — kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() CVE-2025-38464 — kernel: tipc: Fix use-after-free in tipc_conn_close()

🎯 Affected products26

  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • bpftool-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • bpftool-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-0:4.18.0-193.168.1.el8_2.src as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-abi-whitelists-0:4.18.0-193.168.1.el8_2.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-core-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-core-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-devel-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-modules-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-modules-extra-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debuginfo-common-x86_64-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-devel-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-doc-0:4.18.0-193.168.1.el8_2.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-modules-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-modules-extra-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-libs-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • perf-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • perf-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • python3-perf-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • python3-perf-debuginfo-0:4.18.0-193.168.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)

✅ 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 don't 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 tipc 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)