CVE-2024-46718

drm/xe: Don't overmap identity VRAM mapping

published September 18, 2024

CVSS
—
EPSS
0%
Percentile
6.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00177 · 6.9th percentile
Published
2024-09-18T06:32Z
EPSS history
Timeline
  • 18 SEP 06:32Z
    drm/xe: Don't overmap identity VRAM mapping
    cvelistv5