Wind River Support Network

Description

In the Linux kernel, the following vulnerability has been resolved:[EOL][EOL]tee: fix register_shm_helper()[EOL][EOL]In register_shm_helper(), fix incorrect error handling for a call to[EOL]iov_iter_extract_pages(). A case is missing for when[EOL]iov_iter_extract_pages() only got some pages and return a number larger[EOL]than 0, but not the requested amount.[EOL][EOL]This fixes a possible NULL pointer dereference following a bad input from[EOL]ioctl(TEE_IOC_SHM_REGISTER) where parts of the buffer isn't mapped.