Red Hat Security Advisory: kernel security update

Fixed packages 142

Vulnerabilities 9

• Critical 9.8
  CVE-2025-38724

  nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

  In the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the return value from get_client_locked(). a SE…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 4, 2025
• Critical 9.8
  CVE-2025-40176

  tls: wait for pending async decryptions if tls_strp_msg_hold fails

  In the Linux kernel, the following vulnerability has been resolved: tls: wait for pending async decryptions if tls_strp_msg_hold fails Async decryption calls tls_strp_msg_hold to create a clone of the input skb to hold references to the memory it uses. If we …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Nov 12, 2025
• 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-2025-39982

  Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync

  In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync This fixes the following UFA in hci_acl_create_conn_sync where a connection still pending is command submission (conn->state == BT_OP…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Oct 15, 2025
• High 8.0
  CVE-2025-40141

  Bluetooth: ISO: Fix possible UAF on iso_conn_free

  In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Nov 12, 2025
• High 7.8
  CVE-2025-23142

  sctp: detect and prevent references to a freed transport in sendmsg

  In the Linux kernel, the following vulnerability has been resolved: sctp: detect and prevent references to a freed transport in sendmsg sctp_sendmsg() re-uses associations and transports when possible by doing a lookup based on the socket endpoint and the mes…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 1, 2025
• High 7.8
  CVE-2025-39825

  smb: client: fix race with concurrent opens in rename(2)

  In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename(2) Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 16, 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
• Unscored —
  CVE-2025-68287

  usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

  In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths This patch addresses a race condition caused by unsynchronized execution of multiple call paths invoking `dw…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Dec 16, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2363300
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2393172
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2395792
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2400598
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2404100
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2414522
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2414524
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2422788
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2422801
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0489.json
• report
  https://access.redhat.com/security/cve/CVE-2025-23142
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-23142
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-23142
• article
  https://lore.kernel.org/linux-cve-announce/2025050124-CVE-2025-23142-ac59@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38724
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38724
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38724
• article
  https://lore.kernel.org/linux-cve-announce/2025090401-CVE-2025-38724-5309@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-39825
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-39825
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-39825
• article
  https://lore.kernel.org/linux-cve-announce/2025091616-CVE-2025-39825-8a7a@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-2025-39982
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-39982
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-39982
• article
  https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39982-a36e@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-40141
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-40141
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-40141
• article
  https://lore.kernel.org/linux-cve-announce/2025111256-CVE-2025-40141-072e@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-40176
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-40176
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-40176
• article
  https://lore.kernel.org/linux-cve-announce/2025111255-CVE-2025-40176-f2e3@gregkh/T