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CVE-2023-53780

drm/amd/display: fix FCLK pstate change underflow

N/A
Published: December 9, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 06:46 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.15 ≤ v < 6.1.164.15 ≤ v < 6.2.34.15 ≤ v < 6.34.154562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Vendor states this is fixed in 4bdfa48d74649898468a0bf5c8b8a48dded77b4a (fixed)
Vendor states this is fixed in 6853d56dba56d1c24db403ff3885c71e18d572c4 (fixed)
Vendor states this is fixed in 972243f973eb0821084e5833d5f7f4ed025f42da (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/4bdfa48d74649898468a0bf5c8b8a48dded77b4a
Source: cverecord
https://git.kernel.org/stable/c/6853d56dba56d1c24db403ff3885c71e18d572c4
Source: cverecord
https://git.kernel.org/stable/c/972243f973eb0821084e5833d5f7f4ed025f42da

Quick Info

StatusDEFERRED

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