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High RLSA-2026:0793 5 CVEs

Important: kernel security update

Published Jan 24, 2026 · Updated Jan 24, 2026

Summary

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 kernel 0:5.14.0-611.24.1.el9_7

Vulnerabilities 5

  • Critical 9.8

    libceph: fix potential use-after-free in have_mon_and_osd_map()

    In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap or osdmap shortly after the initial map …

  • Critical 9.4

    smb: client: let recv_done verify data_offset, data_length and remaining_data_length

    In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

  • High 7.8

    drm/xe: Make dma-fences compliant with the safe access rules

    In the Linux kernel, the following vulnerability has been resolved: drm/xe: Make dma-fences compliant with the safe access rules Xe can free some of the data pointed to by the dma-fences it exports. Most notably the timeline name can get freed if userspace cl…

  • High 7.8

    drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing a…

  • Unscored —

    usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

    In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths This patch addresses a race condition caused by unsynchronized execution of multiple call paths invoking `dw…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393157
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2401432
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419954
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2422788
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2422801