CVE-2022-49704 Information

Description

In the Linux kernel the following vulnerability has been resolved:

9p: fix fid refcount leak in v9fs_vfs_get_link

we check for protocol version later than required after a fid has been obtained. Just move the version check earlier.

Reference

https://git.kernel.org/stable/c/e5690f263208c5abce7451370b7786eb25b405eb https://git.kernel.org/stable/c/e7b6d622bd812013eb39c8f4cd65b7ee8ede1e02 https://git.kernel.org/stable/c/f0126bcaee81dabc1926012126aa74caa03a4c6e