Red Hat Security Advisory: kernel security update

Fixed packages 91

Vulnerabilities 4

• 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 8.0
  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-2025-37869

  drm/xe: Use local fence in error path of xe_migrate_clear

  In the Linux kernel, the following vulnerability has been resolved: drm/xe: Use local fence in error path of xe_migrate_clear The intent of the error path in xe_migrate_clear is to wait on locally generated fence and then return. The code is waiting on m->fen…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 9, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2365246
• 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=2422801
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0747.json
• report
  https://access.redhat.com/security/cve/CVE-2025-37869
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37869
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37869
• article
  https://kernelcve.org/list/?q=CVE-2025-37869
• article
  https://lore.kernel.org/linux-cve-announce/2025050958-CVE-2025-37869-09b8@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
• report
  https://access.redhat.com/security/cve/CVE-2025-68285
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-68285
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-68285
• article
  https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68285-8339@gregkh/T