CVE-2023-53780

Linux Kernel 4.15-6.1.15, 6.2.0-6.2.2 - Denial of Service via FCLK P-State Change Underflow

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix FCLK pstate change underflow [Why] Currently we set FCLK p-state change watermark calculated based on dummy p-state latency when UCLK p-state is not supported [How] Calculate FCLK p-state change watermark based on on FCLK pstate change latency in case UCLK p-state is not supported

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/4bdfa48d74649898468a0bf5c8b8a48dded77b4a

Patch

https://git.kernel.org/stable/c/6853d56dba56d1c24db403ff3885c71e18d572c4

Patch

https://git.kernel.org/stable/c/972243f973eb0821084e5833d5f7f4ed025f42da

Scores

EPSS 0.0018

EPSS Percentile 7.4%

Details

Status published

Products (10)

linux/Kernel 4.15.0 - 6.1.16linux

linux/Kernel 6.2.0 - 6.2.3linux

Linux/Linux < 4.15

Linux/Linux 4.15

Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - 4bdfa48d74649898468a0bf5c8b8a48dded77b4a

Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - 6853d56dba56d1c24db403ff3885c71e18d572c4

Linux/Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - 972243f973eb0821084e5833d5f7f4ed025f42da

Linux/Linux 6.1.16 - 6.1.*

Linux/Linux 6.2.3 - 6.2.*

Linux/Linux 6.3

Published Dec 09, 2025

Tracked Since Feb 18, 2026