CVE-2026-34195

Summary: CVE-2026-34195 describes a GPU DDK kernel heap OOB write caused by incorrect indexing of internal state during sparse allocation remapping, specifically involving PMRChangeSparseMemOSMem and physical page translation from virtual page indexes. This is triggered by non-privileged user act...

CVE-2026-34195 GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes

Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel. The product incorrectly indexes internal state when performing sparse allocation remapping...

CVE-2026-34195 GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes

Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel. The product incorrectly indexes internal state when performing sparse allocation remapping...

CVE-2020-7467

In FreeBSD 12.2-STABLE before r365767, 11.4-STABLE before r365769, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these...