CVE-2022-48843 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/vrr: Set VRR capable prop only if it is attached to connector

VRR capable property is not attached by default to the connector It is attached only if VRR is supported. So if the driver tries to call drm core set prop function without it being attached that causes NULL dereference.

Reference

https://git.kernel.org/stable/c/941e8bcd2b2ba95490738e33dfeca27168452779 https://git.kernel.org/stable/c/0ba557d330946c23559aaea2d51ea649fdeca98a https://git.kernel.org/stable/c/3534c5c005ef99a1804ed50b8a72cdae254cabb5 https://git.kernel.org/stable/c/85271e92ae4f13aa679acaa6cf76b3c36bcb7bab https://git.kernel.org/stable/c/62929726ef0ec72cbbe9440c5d125d4278b99894