In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free.
https://git.kernel.org/stable/c/83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942
https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36
https://git.kernel.org/stable/c/586847b98e20ab02212ca5c1fc46680384e68a28
https://git.kernel.org/stable/c/585a07b820059462e0c93b76c7de2cd946b26b40
https://git.kernel.org/stable/c/24013314be6ee4ee456114a671e9fa3461323de8