CVE-2026-93193 is a vulnerability in Linux Kernel
Published on September 17, 2026
drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup
In 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.
Products Associated with CVE-2026-93193
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Affected Versions
Linux:- Version 729f8eefdcadaff98606931e691910f17d8d59d6 and below 396a193867c6e8ee810287d6f79624144b5629e9 is affected.
- Version 729f8eefdcadaff98606931e691910f17d8d59d6 and below 887315e5d2eb87c3d6d0da9f7610bc5b3113ae30 is affected.
- Version 729f8eefdcadaff98606931e691910f17d8d59d6 and below 87e060521371257ddbb77964b66e60d80afcc7b2 is affected.
- Version 6.16 is affected.
- Before 6.16 is unaffected.
- Version 6.18.52, <= 6.18.* is unaffected.
- Version 7.2.6, <= 7.2.* is unaffected.
- Version 7.3-rc1, <= * is unaffected.