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OpenAdvisories
Critical RHSA-2026:3358 12 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Feb 26, 2026 · Updated Aug 22, 2026

Ecosystem: Red Hat

Fixed packages 32

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-debuginfo 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-devel 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-kvm 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-extra 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-devel 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-kvm 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-extra 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-debuginfo 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-devel 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-extra 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-devel 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-core 0:5.14.0-284.158.1.rt14.443.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-extra 0:5.14.0-284.158.1.rt14.443.el9_2

Vulnerabilities 12

  • Critical 9.8
    CVE-2023-53192

    vxlan: Fix nexthop hash size

    In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix nexthop hash size The nexthop code expects a 31 bit hash, such as what is returned by fib_multipath_hash() and rt6_multipath_hash(). Passing the 32 bit hash returned by skb_get_has…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.4
    CVE-2025-39933

    smb: client: let recv_done verify data_offset, data_length and remaining_data_length

    In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2023-53762

    Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync Use-after-free can occur in hci_disconnect_all_sync if a connection is deleted by concurrent processing of a controller event. To preve…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2022-50673

    ext4: fix use-after-free in ext4_orphan_cleanup

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4_orphan_cleanup I caught a issue as follows: ================================================================== BUG: KASAN: use-after-free in __list_add_valid+…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-37861

    scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue When the task management thread processes reply queues while the reset thread resets them, the task management thread …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-37882

    usb: xhci: Fix isochronous Ring Underrun/Overrun event handling

    In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix isochronous Ring Underrun/Overrun event handling The TRB pointer of these events points at enqueue at the time of error occurrence on xHCI 1.1+ HCs or it's NULL on older ones. …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-40269

    ALSA: usb-audio: Fix potential overflow of PCM transfer buffer

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio driver is transferred over USB URB packet buffers, and each packet size is determined dynamical…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-40271 Public exploit

    fs/proc: fix uaf in proc_readdir_de()

    In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through rb_erase(), but not set the node to EMPTY, which may result in uaf access. We should use RB_CLEAR_NODE() set the…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.5
    CVE-2025-68349

    NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

    In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2023-53821

    ip6_vti: fix slab-use-after-free in decode_session6

    In the Linux kernel, the following vulnerability has been resolved: ip6_vti: fix slab-use-after-free in decode_session6 When ipv6_vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-aft…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-38415

    Squashfs: check return result of sb_min_blocksize

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: check return result of sb_min_blocksize Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug. Syzkaller forks multiple processes which after mounting the Squas…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39760

    usb: core: config: Prevent OOB read in SS endpoint companion parsing

    In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_endpoint_companion() checks descriptor type before length, enabling a potentially odd read outside of the buf…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2365250
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2365256
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2383404
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394601
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395232
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2401432
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419837
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419838
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419919
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2420329
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2420347
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2424880
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3358.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-50673
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50673
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50673
  • article
    https://lore.kernel.org/linux-cve-announce/2025120947-CVE-2022-50673-f920@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53192
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53192
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53192
  • article
    https://lore.kernel.org/linux-cve-announce/2025091558-CVE-2023-53192-5ca6@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53762
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53762
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53762
  • article
    https://lore.kernel.org/linux-cve-announce/2025120845-CVE-2023-53762-01bc@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53821
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53821
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53821
  • article
    https://lore.kernel.org/linux-cve-announce/2025120950-CVE-2023-53821-9542@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37861
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37861
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37861
  • article
    https://lore.kernel.org/linux-cve-announce/2025050922-CVE-2025-37861-ab7f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37882
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37882
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37882
  • article
    https://lore.kernel.org/linux-cve-announce/2025050944-CVE-2025-37882-db64@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38415