CVE-2022-49780 Information

Description

In the Linux kernel the following vulnerability has been resolved:

scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()

If device_register() fails in tcm_loop_setup_hba_bus() the name allocated by dev_set_name() need be freed. As comment of device_register() says it should use put_device() to give up the reference in the error path. So fix this by calling put_device() then the name can be freed in kobject_cleanup(). The ’tl_hba’ will be freed in tcm_loop_release_adapter() so it don’t need goto error label in this case.

Reference

https://git.kernel.org/stable/c/28f7ff5e7559d226e63c7c5de74eb075a83d8c53 https://git.kernel.org/stable/c/41a6b8b527a5957fab41c3c05e25ad125268e2e9 https://git.kernel.org/stable/c/75205f1b47a88c3fac4f30bd7567e89b2887c7fd https://git.kernel.org/stable/c/a636772988bafab89278e7bb3420d8e8eacfe912 https://git.kernel.org/stable/c/bc68e428d4963af0201e92159629ab96948f0893 https://git.kernel.org/stable/c/dce0589a3faec9e2e543e97bca7e62592ec85585