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CVE-2023-53780drm/amd/display: fix FCLK pstate change underflow

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

Timeline

  1. ID reserved

    By Linux

  2. · 1 day later

    Published

  3. · 5 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.

EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (15 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – < 4bdfa48d74649898468a0bf5c8b8a48dded77b4a
    • affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – < 6853d56dba56d1c24db403ff3885c71e18d572c4
    • affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – < 972243f973eb0821084e5833d5f7f4ed025f42da

  • Linux · Linux

    • affected 4.15
    • unaffected < 4.15
    • unaffected 6.1.16 – ≤ 6.1.*
    • unaffected 6.2.3 – ≤ 6.2.*
    • unaffected 6.3 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .