CVE-2023-53084 Information

Description

In the Linux kernel the following vulnerability has been resolved:

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

drm_gem_shmem_mmap() doesn’t own reference in error code path resulting in the dma-buf shmem GEM object getting prematurely freed leading to a later use-after-free.

Reference

https://git.kernel.org/stable/c/5cfb617967b05f8f27e862c97db1fabd8485f4db https://git.kernel.org/stable/c/684c7372bbd6447c2e86a2a84e97a1478604d21f https://git.kernel.org/stable/c/77d26c824aa5a7e0681ef1d5b75fe538d746addc https://git.kernel.org/stable/c/dede8c14a37a7ac458f9add56154a074ed78e7cf https://git.kernel.org/stable/c/ee9adb7a45516cfa536ca92253d7ae59d56db9e4