RHSA-2026:36216HighCVSS 7.0

Red Hat Security Advisory: kernel security update

Published
July 7, 2026
Last Modified
October 12, 2026

🔗 CVE IDs covered (2)

CVE-2026-43198 →CVE-2026-46181 →

📋 Description

CVE-2026-43198 — kernel: tcp: fix potential race in tcp_v6_syn_recv_sock() CVE-2026-46181 — kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

🎯 Affected products95

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.155.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.155.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.155.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.155.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.155.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.155.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-abi-whitelists-0:3.10.0-1160.155.1.el7.noarch as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.155.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.155.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.155.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.155.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.155.1.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.

🔗 References (5)