drm/mediatek: Fix pdev reference leak in mtk_drm_bind()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98781
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:32 UTC
Updated2026-10-21 13:21:46 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix pdev reference leak in mtk_drm_bind() When the device is not the mmsys master, mtk_drm_bind() returns early after taking a reference on the disp-mutex device via of_find_device_by_node(), without ever dropping it: mtk_drm_unbind() only puts mutex_dev for the master. Drop the reference before returning from the non-master path.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1ef7ed48356cd5f9af2b7671956991b658d8c2ba 4a0ae61067671f556eeaf5ea4e59a1db63163d70 git Not specified
CNA Linux Linux affected 1ef7ed48356cd5f9af2b7671956991b658d8c2ba 4a8f9cad0fced77b36b297c67c42730c9cb32ec6 git Not specified
CNA Linux Linux affected 1ef7ed48356cd5f9af2b7671956991b658d8c2ba b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3 git Not specified
CNA Linux Linux affected 1ef7ed48356cd5f9af2b7671956991b658d8c2ba cb3e0244514d13507c6048777e1d0277e611cf6c git Not specified
CNA Linux Linux affected 1ef7ed48356cd5f9af2b7671956991b658d8c2ba 3753e34b73fcbe2a2edbe984614a008a261697ef git Not specified
CNA Linux Linux affected 6.4 Not specified
CNA Linux Linux unaffected 6.4 semver Not specified
CNA Linux Linux unaffected 6.6.160 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.113 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.56 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.10 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/cb3e0244514d13507c6048777e1d0277e611cf6c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4a8f9cad0fced77b36b297c67c42730c9cb32ec6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b84f1386d84b3a73f73ebb416a3f97c5d64a8ab3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3753e34b73fcbe2a2edbe984614a008a261697ef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4a0ae61067671f556eeaf5ea4e59a1db63163d70 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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