Red Hat alert RHSA-2026:0793-01 (kernel)

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.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_0793.json