Vulnerability in Linux

CVE-2025-40354

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)

EPSS: 0.002 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, 4.15, 0

References

Frequently asked questions

What is CVE-2025-40354?
CVE-2025-40354 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-12-16.
How severe is CVE-2025-40354?
High severity. CVSS v3 base score is 7.8 out of 10.