CVE-2026-98148

drm/gud: validate GUD_ROTATION_0 is present in supported rotations

CVE-2026-98148 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-98148, released October 2, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0011

1st percentile

In the Linux kernel, the following vulnerability has been resolved: drm/gud: validate GUD_ROTATION_0 is present in supported rotations The rotation argument to drm_plane_create_rotation_property() is set to DRM_MODE_ROTATE_0, and the device reported rotation bitmask is used as the supported_rotations argument. The driver never validates that GUD_ROTATION_0 is present, so a device that omits it from its GUD_PROPERTY_ROTATION triggers the WARN_ON(rotation & ~supported_rotations) in drm_plane_create_rotation_property() Fix this by skipping the creation of rotation property if the device doesn't have the GUD_ROTATION_0 bit

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 13.5 (trixie)	6.12.115-2	DEBIAN-CVE-2026-98148	Oct 2, 2026
linux · Debian 14	7.2.7-1	DEBIAN-CVE-2026-98148	Oct 2, 2026

Details

Published
September 25, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98148

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