CVE-2026-80830
Published Sep 4, 2026
Modified Sep 7, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: usb: core: Add lock to usb_wakeup_notification() Add a spin lock to usb_wakeup notification to prevent a race condition with dereferencing freed memory. This could be hit by the xHCI driver as it calls this function from an IRQ and could race with the hub_disconnect() function, which properly grabs this lock to protect the state of the device.
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EPSS — Exploit Prediction
0.0020
Probability of exploitation
0.09%
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/04ab260407972e631c86f2bc576cd8e64d65b325
https://git.kernel.org/stable/c/71cfda2fdf78041a01e9d94143baa79feabbdbf6
https://git.kernel.org/stable/c/7c48aa0c1e79116b8af4b988d16ee29b427d6491
https://git.kernel.org/stable/c/960ca456faf61824b178f47967340300b24183db
https://git.kernel.org/stable/c/975ef630393c07fcbebf94f4d97043161b77a6ce
https://git.kernel.org/stable/c/a7a16167991c88016acef720927400404039d850
https://git.kernel.org/stable/c/bf2288583b4e072bdff17a233963619e4bc7a8b5
https://git.kernel.org/stable/c/d80b946804674069db7ce6657319a71cf8eeaa5a
https://git.kernel.org/stable/c/e263e18a9e7b1ff3e7301f0801c6ff87c31adfb6
Frequently Asked Questions
What is CVE-2026-80830? +
In the Linux kernel, the following vulnerability has been resolved:
usb: core: Add lock to usb_wakeup_notification()
Add a spin lock to usb_wakeup notification to prevent a race condition
with dereferencing freed memory. This could be hit by the xHCI driver as
it calls this function from an IRQ and could race with the
hub_disconnect() function, which properly grabs this lock to protect the
state of the device.
How do I check if I'm vulnerable to CVE-2026-80830? +
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.