Red Hat Security Advisory: kernel security update

Fixed packages 160

Vulnerabilities 4

• 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-2025-40047

  io_uring/waitid: always prune wait queue entry in io_waitid_wait()

  In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: always prune wait queue entry in io_waitid_wait() For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelatio…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 28, 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  This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.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/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2400598
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2404108
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2406758
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21933.json
• 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
• article
  https://lore.kernel.org/linux-cve-announce/2025101557-CVE-2025-39973-b1a3@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-40047
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-40047
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-40047
• article
  https://lore.kernel.org/linux-cve-announce/2025102813-CVE-2025-40047-b952@gregkh/T