Red Hat Security Advisory: kernel security update

Fixed packages 160

Vulnerabilities 6

• High 8.8
  CVE-2026-23193

  scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

  In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() In iscsit_dec_session_usage_count(), the function calls complete() while holding the sess->session_usage_lock. Simi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 14, 2026
• High 7.8
  CVE-2026-23066

  rxrpc: Fix recvmsg() unconditional requeue

  In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg() unconditional requeue If rxrpc_recvmsg() fails because MSG_DONTWAIT was specified but the call at the front of the recvmsg queue already has its mutex locked, it requeues…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 4, 2026
• High 7.8
  CVE-2026-23111 Public exploit

  netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()

  In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() nft_map_catchall_activate() has an inverted element activity check compared to its non-catchall counterpart nft…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 13, 2026
• High 7.8
  CVE-2026-23171

  bonding: fix use-after-free due to enslave fail after slave array update

  In the Linux kernel, the following vulnerability has been resolved: bonding: fix use-after-free due to enslave fail after slave array update Fix a use-after-free which happens due to enslave failure after the new slave has been added to the array. Since the n…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 14, 2026
• High 7.1
  CVE-2026-23204

  net/sched: cls_u32: use skb_header_pointer_careful()

  In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values. Use skb_header_pointer_careful() instead. GangMin Kim provided a rep…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 14, 2026
• Unscored —
  CVE-2026-23144

  mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

  In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure When a context DAMON sysfs directory setup is failed after setup of attrs/ directory, subdirectories of attrs/ directory are…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 14, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2436805
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2439687
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2439872
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2439886
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2439887
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2439931
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_9112.json
• report
  https://access.redhat.com/security/cve/CVE-2026-23066
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23066
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23066
• article
  https://lore.kernel.org/linux-cve-announce/2026020416-CVE-2026-23066-8e44@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-23111
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23111
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23111
• article
  https://lore.kernel.org/linux-cve-announce/2026021300-CVE-2026-23111-9762@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-23144
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23144
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23144
• article
  https://lore.kernel.org/linux-cve-announce/2026021417-CVE-2026-23144-297b@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-23171
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23171
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23171
• article
  https://lore.kernel.org/linux-cve-announce/2026021421-CVE-2026-23171-5a73@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-23193
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23193
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23193
• article
  https://lore.kernel.org/linux-cve-announce/2026021434-CVE-2026-23193-2c6c@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-23204
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-23204
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-23204
• article
  https://lore.kernel.org/linux-cve-announce/2026021437-CVE-2026-23204-be85@gregkh/T