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High 7.8Published Dec 16, 2025

CVE-2025-40354drm/amd/display: increase max link count and fix link->enc NULL pointer access

Updated under an hour ago ()

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: increase max link count and fix link->enc NULL pointer access [why] 1.) dc->links[MAX_LINKS] array size smaller than actual requested. max_connector + max_dpia + 4 virtual = 14. increase from 12 to 14. 2.) hw_init() access null LINK_ENC for dpia non display_endpoint. (cherry picked from commit d7f5a61e1b04ed87b008c8d327649d184dc5bb45)

CVSS
7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Deferred
Record last updated
Aug 5, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before f28092be4e12b7df9e4f415d25bf0d767bc2d9ed; from 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before a3fc0d36cfb927f8986b83bf5fba47dbedad3c63; from 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c before bec947cbe9a65783adb475a5fb47980d7b4f4796
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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