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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)

PUBLISHED Reserved 2025-04-16 | Published 2025-12-16 | Updated 2025-12-20 | Assigner Linux

Product status

Default status
unaffected

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c (git) before f28092be4e12b7df9e4f415d25bf0d767bc2d9ed
affected

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c (git) before a3fc0d36cfb927f8986b83bf5fba47dbedad3c63
affected

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c (git) before bec947cbe9a65783adb475a5fb47980d7b4f4796
affected

Default status
affected

4.15
affected

Any version before 4.15
unaffected

6.12.56 (semver)
unaffected

6.17.6 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f28092be4e12b7df9e4f415d25bf0d767bc2d9ed

git.kernel.org/...c/a3fc0d36cfb927f8986b83bf5fba47dbedad3c63

git.kernel.org/...c/bec947cbe9a65783adb475a5fb47980d7b4f4796

cve.org (CVE-2025-40354)

nvd.nist.gov (CVE-2025-40354)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.