CVE-2023-52821 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/panel: fix a possible null pointer dereference

In versatile_panel_get_modes() the return value of drm_mode_duplicate() is assigned to mode which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

Reference

https://git.kernel.org/stable/c/c7dc0aca5962fb37dbea9769dd26ec37813faae1 https://git.kernel.org/stable/c/2381f6b628b3214f07375e0adf5ce17093c31190 https://git.kernel.org/stable/c/79813cd59398015867d51e6d7dcc14d287d4c402 https://git.kernel.org/stable/c/4fa930ba046d20fc1899770396ee11e905fa96e4 https://git.kernel.org/stable/c/8a9dd36fcb4f3906982b82593393578db4479992 https://git.kernel.org/stable/c/924e5814d1f84e6fa5cb19c6eceb69f066225229