CVE-2026-80830
usb: core: Add lock to usb_wakeup_notification()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 4, 2026 |
| Last Updated | Sep 7, 2026 |
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Affected Versions
Linux / Linux
4ee823b83bc9851743fab756c76b27d6a1e2472b < a7a16167991c88016acef720927400404039d850 4ee823b83bc9851743fab756c76b27d6a1e2472b < 975ef630393c07fcbebf94f4d97043161b77a6ce 4ee823b83bc9851743fab756c76b27d6a1e2472b < 71cfda2fdf78041a01e9d94143baa79feabbdbf6 4ee823b83bc9851743fab756c76b27d6a1e2472b < 04ab260407972e631c86f2bc576cd8e64d65b325 4ee823b83bc9851743fab756c76b27d6a1e2472b < bf2288583b4e072bdff17a233963619e4bc7a8b5 4ee823b83bc9851743fab756c76b27d6a1e2472b < d80b946804674069db7ce6657319a71cf8eeaa5a 4ee823b83bc9851743fab756c76b27d6a1e2472b < 960ca456faf61824b178f47967340300b24183db 4ee823b83bc9851743fab756c76b27d6a1e2472b < 7c48aa0c1e79116b8af4b988d16ee29b427d6491 4ee823b83bc9851743fab756c76b27d6a1e2472b < e263e18a9e7b1ff3e7301f0801c6ff87c31adfb6
Linux / Linux
3.4
References
git.kernel.org: https://git.kernel.org/stable/c/a7a16167991c88016acef720927400404039d850 git.kernel.org: https://git.kernel.org/stable/c/975ef630393c07fcbebf94f4d97043161b77a6ce git.kernel.org: https://git.kernel.org/stable/c/71cfda2fdf78041a01e9d94143baa79feabbdbf6 git.kernel.org: https://git.kernel.org/stable/c/04ab260407972e631c86f2bc576cd8e64d65b325 git.kernel.org: https://git.kernel.org/stable/c/bf2288583b4e072bdff17a233963619e4bc7a8b5 git.kernel.org: https://git.kernel.org/stable/c/d80b946804674069db7ce6657319a71cf8eeaa5a git.kernel.org: https://git.kernel.org/stable/c/960ca456faf61824b178f47967340300b24183db git.kernel.org: https://git.kernel.org/stable/c/7c48aa0c1e79116b8af4b988d16ee29b427d6491 git.kernel.org: https://git.kernel.org/stable/c/e263e18a9e7b1ff3e7301f0801c6ff87c31adfb6