CVE-2023-53806
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedDec 9, 2025
First seenDec 9, 2025
How to fix
Update
- Linux Linux92e6c79acad4b96efeff261d27bdbd8089a7dd24, 375d192eb1f1d9229a6d994da7ba31f3582b106b, 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c ≤ v < 92e6c79acad4b96efeff261d27bdbd8089a7dd24, 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c ≤ v < 375d192eb1f1d9229a6d994da7ba31f3582b106b, 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c ≤ v < 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0, 4.15 | 92e6c79acad4b96efeff261d27bdbd8089a7dd24, 375d192eb1f1d9229a6d994da7ba31f3582b106b, 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0 |
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