RHSA-2026:1445 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. 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: smb: client: Fix use-after-free in cifs_fill_dirent (CVE-2025-38051)

• kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)

• kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539)

• kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free (CVE-2023-53552)

• kernel: net/mlx5e: Check for NOT_READY flag state after locking (CVE-2023-53581)

• kernel: i40e: fix idx validation in config queues msg (CVE-2025-39971)

• kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)

• kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)

• kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)

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.