In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check phantom_stream before it is used dcn32_enable_phantom_stream can return null, so returned value must be checked before used. This fixes 1 NULL_RETURNS issue reported by Coverity.
https://git.kernel.org/stable/c/3ba1219e299ab5462b5cb374c2fa2a67af0ea190
https://git.kernel.org/stable/c/3718a619a8c0a53152e76bb6769b6c414e1e83f4
https://git.kernel.org/stable/c/1decf695ce08e23d9ded6ce83d121b2282ce9899