RHSA-2026:0759 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.

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: smb: client: let recv_done verify data_offset, data_length and remaining_data_length (CVE-2025-39933)

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

• kernel: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies (CVE-2025-40096)

• kernel: net: atlantic: fix fragment overflow handling in RX path (CVE-2025-68301)

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.