CVE-2025-40354

Published: Dec 16, 2025

Modified: May 11, 2026

PUBLISHED

Description

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)

Vendor	Product	Versions
Linux	Linux	affected `4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < f28092be4e12b7df9e4f415d25bf0d767bc2d9ed` affected `4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < a3fc0d36cfb927f8986b83bf5fba47dbedad3c63` affected `4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c - < bec947cbe9a65783adb475a5fb47980d7b4f4796`
Linux	Linux	affected `4.15` unaffected `0 - < 4.15` unaffected `6.12.56 - <= 6.12.` unaffected `6.17.6 - <= 6.17.` unaffected `6.18 - <= *`

References

https://git.kernel.org/stable/c/f28092be4e12b7df9e4f415d25bf0d767bc2d9ed

https://git.kernel.org/stable/c/a3fc0d36cfb927f8986b83bf5fba47dbedad3c63

https://git.kernel.org/stable/c/bec947cbe9a65783adb475a5fb47980d7b4f4796

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CVE-2025-40354

Description

Affected Products

References