PT-2025-49469

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.18-rc5-gud-5.18-rc5 Description The Linux kernel contains a flaw within the DRM/Gud subsystem related to uninitialized memory. Specifically, the iosys map variables are allocated on the stack without...

kernel: drm/gud: Fix UBSAN warning

A flaw was found in the GUD Generic USB Display driver in the Linux kernel. Uninitialized iosysmap variables on the stack contain garbage values in their isiomem boolean field. When iosysmapclear checks this field, UBSAN flags it as an invalid boolean value, indicating potential undefined behavio...

kernel: drm/gud: Fix UBSAN warning

A flaw was found in the GUD Generic USB Display driver in the Linux kernel. Uninitialized iosysmap variables on the stack contain garbage values in their isiomem boolean field. When iosysmapclear checks this field, UBSAN flags it as an invalid boolean value, indicating potential undefined behavio...