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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.16.58, < 3.17 |
References
- https://git.kernel.org/stable/c/11c65408bd0ba1d9cd1307caa38169292de9cdfbPatch
- https://git.kernel.org/stable/c/247d3809e45a34d9e1a3a2bb7012e31ed8b46031Patch
- https://git.kernel.org/stable/c/2f0ae93ec33c8456cdfbf7876b80403a6318ebcePatch
- https://git.kernel.org/stable/c/51422046be504515eb5a591adf0f424b62f46804Patch
- https://git.kernel.org/stable/c/6bafee2f18af5e5ac125e42960bc65496d0e56a0Patch
- https://git.kernel.org/stable/c/8afb048800919d0ab10c57983940eba956339f21Patch
- https://git.kernel.org/stable/c/9ec4cbf1cc55d126759051acfe328d489c5d6e60Patch
- https://git.kernel.org/stable/c/bcbb795a9e78180d74c6ab21518da87e803dfdcePatch
- https://git.kernel.org/stable/c/f20d2d3b3364ce6525c050a8b6b4c54c8c19674dPatch
FAQ
What is CVE-2022-49389?
CVE-2022-49389 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2022-49389?
CVE-2022-49389 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49389?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.