Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-10-21 Summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678) * kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935) * kernel: USB: serial: mxuport: fix memory corruption with small endpoint (CVE-2026-63899) * kernel: bridge: mcast: Fix a possible use-after-free when removing a bridge port (CVE-2026-64032) * kernel: tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (CVE-2026-64024) * kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-2026-63962) * kernel: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CVE-2026-63974) * kernel: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114) * kernel: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (CVE-2026-64572) * kernel: Bluetooth: hci_sync: Fix advertising data UAFs (CVE-2026-74509) * kernel: Linux kernel: Denial of Service due to incorrect GSO state handling in network fragment reassembly (CVE-2026-80590) * kernel: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (CVE-2026-89633) * kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817) * kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation () * kernel: exec: Cleanup POSIX timers right after de_thread() (CVE-2026-98260) * kernel: ipv4: validate checksum_start before completing checksum (CVE-2026-99999) Bug Fix(es) and Enhancement(s): * Batch: z-stream xfrm - almalinux-9.8.z (NST-Core-26W38) (JIRA:AlmaLinux-256697) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-86033.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team