CVE-2022-49963

In CVE-2022-49963, the Linux kernel vulnerability centers on the drm/i915/ttm CCS handling fix. The issue arises in migrate_copy(), where object copying and address translation fail for large objects: using plain integers can overflow, and emitting PTEs with the entire object size when src is lme...

CVE-2022-49963 drm/i915/ttm: fix CCS handling

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: fix CCS handling Crucible + recent Mesa seems to sometimes hit: GEMBUGONnumccsblks NUMCCSBLKSPERXFER And it looks like we can also trigger this with gemlmemswapping, if we modify the test to use slightly larger obje...