Description: usbip: fix stub_rx: harden CMD_SUBMIT path to handle malicious input References: Notes: Bugs: upstream: released (4.14-rc4) [c6688ef9f29762e65bce325ef4acd6c675806366] 4.9-upstream-stable: released (4.9.71) [f3e957266ae56c200fb13a42309c50f84576c64a] 3.16-upstream-stable: released (3.16.54) [61aa1e63c06961e77b6f63823e05af637c1e3acd] 3.2-upstream-stable: released (3.2.99) [629f509078f02bf65da3ecca8363104b08a3fdd7] sid: released (4.14.12-1) 4.9-stretch-security: released (4.9.80-1) 3.16-jessie-security: released (3.16.56-1) 3.2-wheezy-security: released (3.2.101-1)