CVE-2026-80830
usb: core: Add lock to usb_wakeup_notification()
No known exploitation. EPSS puts it in the 8th percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 8th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 6 days, from the signal feeds we watch.
- OpenVAS check added
- Record updated
- Publishedrecord updated
Affected products
Sources
References in the record
- git.kernel.org/stable/c/a7a16167991c88016acef720927400404039d850
- git.kernel.org/stable/c/975ef630393c07fcbebf94f4d97043161b77a6ce
- git.kernel.org/stable/c/71cfda2fdf78041a01e9d94143baa79feabbdbf6
And 6 more references. See all after sign-in
In the news
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