In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/kms/nv50-: fix file release memory leak When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.
https://git.kernel.org/stable/c/65fff0a8efcdca8d84ffe3e23057c3b32403482d
https://git.kernel.org/stable/c/0b4e9fc14973a94ac0520f19b3633493ae13c912
https://git.kernel.org/stable/c/0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5