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CVE-2026-43343

usb: gadget: f_subset: Fix unbalanced refcnt in geth_free

EPSS 0.1%
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_subset: Fix unbalanced refcnt in geth_free geth_alloc() increments the reference count, but geth_free() fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function. Decrement the reference count in geth_free() to ensure proper cleanup.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095fhttps://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82behttps://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aahttps://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bchttps://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c