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CVE-2026-31781

In the Linux kernel, the following vulnerability has been resolved: drm/ioc32: stop speculation on the drm_compat_ioctl path The drm compat ioctl path takes a …

Impact

In the Linux kernel, the following vulnerability has been resolved: drm/ioc32: stop speculation on the drm_compat_ioctl path The drm compat ioctl path takes a user controlled pointer, and then dereferences it into a table of function pointers, the signature method of spectre problems. Fix this up by calling array_index_nospec() on the index to the function pointer list.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.16.63 before 3.17
from 4.4.170 before 4.5
from 4.9.148 before 4.10
from 4.14.91 before 4.15
from 4.19.13 before 4.20
from 4.20.1 before 5.10.253

References