RHSA-2026:0793 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)

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

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

• kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths (CVE-2025-68287)

• kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)

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.