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CVE-2022-48981

drm/shmem-helper: Remove errant put in error path

EPSS 0.2%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/24013314be6ee4ee456114a671e9fa3461323de8https://git.kernel.org/stable/c/585a07b820059462e0c93b76c7de2cd946b26b40https://git.kernel.org/stable/c/586847b98e20ab02212ca5c1fc46680384e68a28https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36https://git.kernel.org/stable/c/83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942