RHSA-2026:3685HighCVSS 7.5

Red Hat Security Advisory: kernel security update

Published
March 3, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (9)

CVE-2025-39817 →CVE-2025-39993 →CVE-2025-40271 →CVE-2025-68349 →CVE-2025-38415 →CVE-2025-38459 →CVE-2025-39760 →CVE-2026-23074 →CVE-2022-50673 →

📋 Description

CVE-2022-50673 — kernel: ext4: fix use-after-free in ext4_orphan_cleanup CVE-2025-38415 — kernel: Linux kernel: Memory corruption in Squashfs due to incorrect block size calculation CVE-2025-38459 — kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion CVE-2025-39760 — kernel: Linux kernel: Denial of Service via out-of-bounds read in USB configuration parsing CVE-2025-39817 — kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare CVE-2025-39993 — kernel: media: rc: fix races with imon_disconnect() CVE-2025-40271 — kernel: Linux kernel: Use-after-free in proc_readdir_de() can lead to privilege escalation or denial of service. CVE-2025-68349 — kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid CVE-2026-23074 — kernel: Linux kernel: Use-after-free in teql queueing discipline can lead to privilege escalation

🎯 Affected products95

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.147.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-0:3.10.0-1160.147.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • bpftool-debuginfo-0:3.10.0-1160.147.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.147.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.147.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-0:3.10.0-1160.147.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-abi-whitelists-0:3.10.0-1160.147.1.el7.noarch as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-bootwrapper-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.147.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-0:3.10.0-1160.147.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.147.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.147.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • kernel-debug-debuginfo-0:3.10.0-1160.147.1.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: 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: If NFS service not being used, then disable it to prevent possibility of triggering this bug (and usually it is disabled by default): sudo systemctl stop nfs-server sudo systemctl disable nfs-server

🔗 References (12)