CVE-2022-49768 Information

Description

In the Linux kernel the following vulnerability has been resolved:

9p: trans_fd/p9_conn_cancel: drop client lock earlier

syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier.

Reference

https://git.kernel.org/stable/c/52f1c45dde9136f964d63a77d19826c8a74e2c7f https://git.kernel.org/stable/c/612c977f5d481f551d03d83d0aef588845c1300c https://git.kernel.org/stable/c/82825dbf393f7c7979d462f9609a15bde8092b3f https://git.kernel.org/stable/c/96760723aae1b45f733f702abb4333137143909f https://git.kernel.org/stable/c/a4f1a01b2e81378fce9ca528d4d8a049e4b58fcd https://git.kernel.org/stable/c/e3031280fe4eaf61a09e60823331f81f321be8e1 https://git.kernel.org/stable/c/f14858bc77c567e089965962877ee726ffad0556 https://git.kernel.org/stable/c/fec1406f5e7ab20b71f6d231792b0040e3300aaf