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
2026-05-07
AI Q&A
2025-12-09
EPSS Evaluated
2026-05-05
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
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.


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.


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