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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2023-53806

drm/amd/display: populate subvp cmd info only for the top pipe

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: populate subvp cmd info only for the top pipe [Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page fault. [How] When the driver populates subvp info it did it for both the pipes using vblank which caused an outof bounds array access causing the page fault. added checks to allow the top pipe only to fix this issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 92e6c79acad4b96efeff261d27bdbd8089a7dd24affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 375d192eb1f1d9229a6d994da7ba31f3582b106baffected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0affected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 6.1.30 to ≤ 6.1.*unaffected
  • 6.3.4 to ≤ 6.3.*unaffected
  • 6.4 to ≤ *unaffected

References