drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup

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Summary

CVECVE-2026-93193
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:18:15 UTC
Updated2026-09-17 17:18:15 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup Sashiko reported a reference leak in rockchip_dp_drm_encoder_enable(), the of_get_child_by_name() function does not call of_node_put() in a symmetrical way [1]. Fix the device node reference leak by using __free(device_node) to automatically manage of_node_put() for all device nodes.

Risk And Classification

EPSS: 0.001840000 probability, percentile 0.083010000 (date 2026-09-18)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 729f8eefdcadaff98606931e691910f17d8d59d6 396a193867c6e8ee810287d6f79624144b5629e9 git Not specified
CNA Linux Linux affected 729f8eefdcadaff98606931e691910f17d8d59d6 887315e5d2eb87c3d6d0da9f7610bc5b3113ae30 git Not specified
CNA Linux Linux affected 729f8eefdcadaff98606931e691910f17d8d59d6 87e060521371257ddbb77964b66e60d80afcc7b2 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/87e060521371257ddbb77964b66e60d80afcc7b2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/887315e5d2eb87c3d6d0da9f7610bc5b3113ae30 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/396a193867c6e8ee810287d6f79624144b5629e9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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