CVE-2023-53819 amdgpu: validate offset_in_bo of drm_amdgpu_gem_va

In the Linux kernel, the following vulnerability has been resolved: amdgpu: validate offsetinbo of drmamdgpugemva This is motivated by OOB access in amdgpuvmupdaterange when offsetinbo+mapsize overflows. v2: keep the validations in amdgpuvmbomap v3: add the validations to...

kernel: amdgpu: validate offset_in_bo of drm_amdgpu_gem_va

A flaw was found in the AMDGPU graphics driver within the Linux kernel was identified where the offsetinbo parameter in the drmamdgpugemva handler was not sufficiently validated. Under certain conditions, an addition of offsetinbo and mapsize can overflow, resulting in an out-of-bounds access...