CVE-2021-47601 Information

Description

In the Linux kernel the following vulnerability has been resolved:

tee: amdtee: fix an IS_ERR() vs NULL bug

The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.

Reference

https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6