Red Hat Security Advisory: kernel security update

Fixed packages 81

Vulnerabilities 11

• Critical 9.8
  CVE-2025-68285

  libceph: fix potential use-after-free in have_mon_and_osd_map()

  In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap or osdmap shortly after the initial map …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Dec 16, 2025
• High 8.8
  CVE-2023-53322

  scsi: qla2xxx: Wait for io return on terminate rport

  In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Wait for io return on terminate rport System crash due to use after free. Current code allows terminate_rport_io to exit before making sure all IOs has returned. For FCP-2 devi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Sep 16, 2025
• High 8.8
  CVE-2023-53675

  scsi: ses: Fix possible desc_ptr out-of-bounds accesses

  In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible desc_ptr out-of-bounds accesses Sanitize possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process().

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 7, 2025
• 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
  Oct 15, 2025
• 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
  Oct 15, 2025
• High 7.8
  CVE-2022-50543

  RDMA/rxe: Fix mr->map double free

  In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr->map double free rxe_mr_cleanup() which tries to free mr->map again will be called when rxe_mr_init_user() fails: CPU: 0 PID: 4917 Comm: rdma_flush_serv Kdump: loaded Not tai…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 7, 2025
• 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
  Jun 18, 2025
• High 7.5
  CVE-2023-53680

  NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL

  In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL OPDESC() simply indexes into nfsd4_ops[] by the op's operation number, without range checking that value. It assumes callers are car…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 7, 2025
• Medium 4.7
  CVE-2023-53401

  mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required()

  In the Linux kernel, the following vulnerability has been resolved: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required() KCSAN found an issue in obj_stock_flush_required(): stock->cached_objcg can be reset between the check and dereference: …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 18, 2025
• Unscored —
  CVE-2023-53513

  nbd: fix incomplete validation of ioctl arg

  In the Linux kernel, the following vulnerability has been resolved: nbd: fix incomplete validation of ioctl arg We tested and found an alarm caused by nbd_ioctl arg without verification. The UBSAN warning calltrace like below: UBSAN: Undefined behaviour in fs…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 1, 2025
• 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
  Oct 1, 2025

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=2395891
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2396417
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2400598
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2400795
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2402213
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2402222
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2402293
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2404108
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2422801
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0536.json
• report
  https://access.redhat.com/security/cve/CVE-2022-50543
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-50543
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-50543
• article
  https://lore.kernel.org/linux-cve-announce/2025100756-CVE-2022-50543-597d@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-53322
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53322
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53322
• article
  https://lore.kernel.org/linux-cve-announce/2025091644-CVE-2023-53322-45ba@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-53401
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53401
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53401
• article
  https://lore.kernel.org/linux-cve-announce/2025091800-CVE-2023-53401-b668@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-53513
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53513
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53513
• article
  https://lore.kernel.org/linux-cve-announce/2025100130-CVE-2023-53513-4667@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-53675
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53675
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53675
• article
  https://lore.kernel.org/linux-cve-announce/2025100707-CVE-2023-53675-e7ac@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-53680
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53680
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53680
• article
  https://lore.kernel.org/linux-cve-announce/2025100708-CVE-2023-53680-501d@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