drm/amd/display: increase max link count and fix link->enc NULL pointer access (Linux Linux)

CVE-2025-40354
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.15 % · percentile 4 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

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)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < f28092be4e12b7df9e4f415d25bf0d767bc2d9ed ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < a3fc0d36cfb927f8986b83bf5fba47dbedad3c63 ; affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < bec947cbe9a65783adb475a5fb47980d7b4f4796
Linux · Linuxaffected 4.15 ; unaffected 0 < 4.15 ; unaffected 6.12.56 ≤ 6.12.* ; unaffected 6.17.6 ≤ 6.17.* ; unaffected 6.18 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD