CVE-2026-80830Medium· 5.1▾ SunlitA flaw was found in the Linux kernel's USB subsystem. A race condition in the `usb_wakeup_notification()` function could allow a local attacker or a malicious USB device to trigger a use-after-free vulnerability. This could lead to system …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 28.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 5.1
none → medium
A flaw was found in the Linux kernel's USB subsystem. A race condition in the usb_wakeup_notification() function could allow a local attacker or a malicious USB device to trigger a use-after-free vulnerability. This could lead to system instability or a denial of service by causing the system to dereference freed memory.
kernel: usb: core: Add lock to usb_wakeup_notification() — rated Moderate by Red Hat. Released 2026-09-04, updated 2026-10-25.
Affected:
No fix planned:
Out of support scope
Workarounds / mitigations:
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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