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medium5.5

CVE-2022-49780

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_regist…

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.39 before 4.19.267
from 4.20 before 5.4.225
from 5.5 before 5.10.156
from 5.11 before 5.15.80
from 5.16 before 6.0.10
Version 6.1

Weakness classification

CWE-401

References