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OpenAdvisories
High RHSA-2026:1445 10 CVEs

Red Hat Security Advisory: kernel security update

Published Jan 28, 2026 · Updated Aug 22, 2026

Ecosystem: Red Hat

Fixed packages 49

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos bpftool 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos bpftool-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-abi-stablelists 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-core 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug-core 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug-devel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug-modules 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debug-modules-extra 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debuginfo-common-ppc64le 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-debuginfo-common-x86_64 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-devel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-doc 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-modules 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-modules-extra 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-tools 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-tools-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kernel-tools-libs 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos perf 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos perf-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos python3-perf 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos python3-perf-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos bpftool 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos bpftool-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-abi-stablelists 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-core 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug-core 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug-devel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug-modules 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debug-modules-extra 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-debuginfo-common-x86_64 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-devel 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-doc 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-modules 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-modules-extra 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-tools 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-tools-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos kernel-tools-libs 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos perf 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos perf-debuginfo 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos python3-perf 0:4.18.0-477.126.1.el8_8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos python3-perf-debuginfo 0:4.18.0-477.126.1.el8_8

Vulnerabilities 10

  • High 8.8
    CVE-2025-39971

    i40e: fix idx validation in config queues msg

    In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg().

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2025-39973

    i40e: add validation for ring_len param

    In the Linux kernel, the following vulnerability has been resolved: i40e: add validation for ring_len param The `ring_len` parameter provided by the virtual function (VF) is assigned directly to the hardware memory context (HMC) without any validation. To add…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-53539

    RDMA/rxe: Fix incomplete state save in rxe_requester

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxe_requester If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fail with err == -EAGAIN. To recover, the…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-53552

    drm/i915: mark requests for GuC virtual engines to avoid use-after-free

    In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free References to i915_requests may be trapped by userspace inside a sync_file or dmabuf (dma-resv) and held indefinitely a…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38051

    smb: client: Fix use-after-free in cifs_fill_dirent

    In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_fill_dirent There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the fo…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-39993

    media: rc: fix races with imon_disconnect()

    In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imon_disconnect() Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in __create_pipe include/linux/usb.h:1945 [inline] BUG: KASAN: use-after-free in …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-40248

    vsock: Ignore signal/timeout on connect() if already established

    In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect() if already established During connect(), acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connec…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-40277

    drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing a…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2023-53581

    net/mlx5e: Check for NOT_READY flag state after locking

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Check for NOT_READY flag state after locking Currently the check for NOT_READY flag is performed before obtaining the necessary lock. This opens a possibility for race condition wh…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39898 Rejected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373329
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2400598
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2401510
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2401514
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2401545
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404108
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404121
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2418872
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419954
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1445.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-53539
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53539
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53539
  • article
    https://lore.kernel.org/linux-cve-announce/2025100443-CVE-2023-53539-4411@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53552
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53552
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53552
  • article
    https://lore.kernel.org/linux-cve-announce/2025100447-CVE-2023-53552-5ba9@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53581
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53581
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53581
  • article
    https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38051
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38051
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38051
  • article
    https://lore.kernel.org/linux-cve-announce/2025061831-CVE-2025-38051-77da@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39898
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39898
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39898
  • article
    https://lore.kernel.org/linux-cve-announce/2025100116-CVE-2025-39898-d844@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39971
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39971
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39971
  • article
    https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39973
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404116
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39973
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39973