usb: usbip: fix a refcount leak in stub_probe()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: usbip: fix a refcount leak in stub_probe() usb_get_dev() is called in stub_device_alloc(). When stub_probe() fails after that, usb_put_dev() needs to be called to release the reference. Fix this by moving usb_put_dev() to sdev_free error path handling. Find this by code review.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/6bafee2f18af5e5ac125e42960bc65496d0e56a0
- https://git.kernel.org/stable/c/f20d2d3b3364ce6525c050a8b6b4c54c8c19674d
- https://git.kernel.org/stable/c/247d3809e45a34d9e1a3a2bb7012e31ed8b46031
- https://git.kernel.org/stable/c/2f0ae93ec33c8456cdfbf7876b80403a6318ebce
- https://git.kernel.org/stable/c/bcbb795a9e78180d74c6ab21518da87e803dfdce
- https://git.kernel.org/stable/c/51422046be504515eb5a591adf0f424b62f46804
- https://git.kernel.org/stable/c/8afb048800919d0ab10c57983940eba956339f21
- https://git.kernel.org/stable/c/11c65408bd0ba1d9cd1307caa38169292de9cdfb
- https://git.kernel.org/stable/c/9ec4cbf1cc55d126759051acfe328d489c5d6e60
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