CVE-2026-46309

The CVE-2026-46309 entry describes a Linux kernel issue in drm/xe/uapi where PAT indices with XE_COH_NONE coherency are rejected for CPU cached memory in madvise. The fix adds validation in xe_vm_madvise_ioctl() to prevent using coh_none on CPU cached buffers, as such usage could allow a GPU to b...

Linux Distros Unpatched Vulnerability : CVE-2026-46309

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/xe/uapi: Reject cohnone PAT index for CPU cached memory in madvise Add validation in xevmmadviseioctl to reject PAT indices with XECOHNONE coherency mode wh...