CVE-2026-43343
Published May 8, 2026
Modified May 12, 2026
Description
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.
Is your site exposed to CVE-2026-43343?
Run a free security scan — no signup, results in seconds.
EPSS — Exploit Prediction
0.0001
Probability of exploitation
0.02%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/23e4851ce348a329d974e84e828155dda9f52122
https://git.kernel.org/stable/c/3d436670b47415da042452618fb5d8e317ab095f
https://git.kernel.org/stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be
https://git.kernel.org/stable/c/75776a055b656873319c3830fed471daef3ceb23
https://git.kernel.org/stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa
https://git.kernel.org/stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc
https://git.kernel.org/stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829
https://git.kernel.org/stable/c/d7d702407b61e96286a15b6e715572f541a8d41c
Frequently Asked Questions
What is CVE-2026-43343? +
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.
How do I check if I'm vulnerable to CVE-2026-43343? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.