RHSA-2026:94477 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066)

• kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051)

• kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)

• kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)

• kernel: Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error (CVE-2026-53073)

• kernel: netfilter: synproxy: refresh tcphdr after skb_ensure_writable (CVE-2026-64007)

• kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)

• kernel: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (CVE-2026-74556)

• kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481)

• kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)

• kernel: ZDI-CAN-33367: Linux Kernel skbuff skb_zerocopy Improper Ownership Management Local Privilege Escalation Vulnerability ()

Bug Fix(es) and Enhancement(s):

• The Kernel panic occurred at strlen+0x0 because a race event filter treats the user space pointer as a normal pointer (JIRA:RHEL-291138)

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.