CVE-2023-53780
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BaseFortify

Publication date: 2025-12-09

Last updated on: 2025-12-09

Assigner: kernel.org

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
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Meta Information
Published
2025-12-09
Last Modified
2025-12-09
Generated
2026-05-27
AI Q&A
2025-12-10
EPSS Evaluated
2026-05-26
NVD
CVE-2023-53780
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :

This vulnerability relates to the Linux kernel's drm/amd/display component, specifically fixing an issue with FCLK p-state change underflow. The impact involves correcting the calculation of the FCLK p-state change watermark to prevent underflow when UCLK p-state is not supported. This could affect system stability or performance related to AMD display power state changes.


Can you explain this vulnerability to me?

This vulnerability relates to the Linux kernel's AMD display driver where the FCLK p-state change watermark was incorrectly calculated based on a dummy p-state latency when the UCLK p-state was not supported. The fix involves calculating the FCLK p-state change watermark based on the actual FCLK p-state change latency in cases where UCLK p-state is unsupported.


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