CVE-2024-46718

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 Software

VendorProductVersion RangeStatus
LinuxLinuxdd08ebf6c3525a7ea2186e636df064ea47281987 < bb706e92c87beb9f2543faa1705ccc330b9e7c65affected
LinuxLinuxdd08ebf6c3525a7ea2186e636df064ea47281987 < 6d3581edffea0b3a64b0d3094d3f09222e0024f7affected
LinuxLinux6.8affected
LinuxLinux0 < 6.8unaffected
LinuxLinux6.10.9 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References