CVE-2021-47050 Information

Description

In the Linux kernel the following vulnerability has been resolved:

memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

The platform_get_resource_byname() can return NULL which would be immediately dereferenced by resource_size(). Instead dereference it after validating the resource.

Addresses-Coverity: Dereference null return value

Reference

https://git.kernel.org/stable/c/71bcc1b4a1743534d8abdcb57ff912e6bc390438 https://git.kernel.org/stable/c/e16acc3a37f09e18835dc5d8014942c2ef6ca957 https://git.kernel.org/stable/c/a74cb41af7dbe019e4096171f8bc641c7ce910ad https://git.kernel.org/stable/c/59e27d7c94aa02da039b000d33c304c179395801