The vulnerability of the mtk_vcodec_dec_remove() function in the drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c driver, which supports multimedia devices in the Linux operating system. This vulnerability allows a hacker to cause a service failure.

The vulnerability of the mtkvcodecdecremove function in the drivers/media/platform/mediatek/vcodec/mtkvcodecdecdrv.c driver code relates to the improper locking of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2022-49496: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "dev-pm.dev" will be NULL in mtkvcodecdecremove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko...