Don't Overmap Identity VRAM Mapping to Avoid Hardware Bugs
CVE-2024-46718
Currently unrated 🤨
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Don't overmap identity VRAM mapping Overmapping the identity VRAM mapping is triggering hardware bugs on certain platforms. Use 2M pages for the last unaligned (to 1G) VRAM chunk. v2: - Always use 2M pages for last chunk (Fei Yang) - break loop when 2M pages are used - Add assert for usable_size being 2M aligned v3: - Fix checkpatch
Affected Version(s)
Linux < 1da177e4c3f4
Linux < 6d3581edffea
Linux <= 6.10.*
Timeline
Vulnerability published.
Vulnerability Reserved.
Collectors
NVD DatabaseMitre Database