CVE-2026-80830
N/AIn 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.
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
—EPSS not yet scored
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
—CVSS · not scored
- No impact metrics
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-80830/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-80830/poc.json
References
Technical & other
- https://git.kernel.org/stable/c/a7a16167991c88016acef720927400404039d850
- https://git.kernel.org/stable/c/975ef630393c07fcbebf94f4d97043161b77a6ce
- https://git.kernel.org/stable/c/71cfda2fdf78041a01e9d94143baa79feabbdbf6
- https://git.kernel.org/stable/c/04ab260407972e631c86f2bc576cd8e64d65b325
- https://git.kernel.org/stable/c/bf2288583b4e072bdff17a233963619e4bc7a8b5
- https://git.kernel.org/stable/c/d80b946804674069db7ce6657319a71cf8eeaa5a
- https://git.kernel.org/stable/c/960ca456faf61824b178f47967340300b24183db
- https://git.kernel.org/stable/c/7c48aa0c1e79116b8af4b988d16ee29b427d6491
- https://git.kernel.org/stable/c/e263e18a9e7b1ff3e7301f0801c6ff87c31adfb6