CVE-2026-98761Medium· 4.0▾ SunlitA flaw was found in the Linux kernel's USB Type-C Port Manager (TCPM). This issue may result in a denial of service (DoS) or unintended power delivery on the affected port. When a USB Type-C cable is disconnected while signaling a Fast Rol…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 4
none → medium
A flaw was found in the Linux kernel's USB Type-C Port Manager (TCPM). This issue may result in a denial of service (DoS) or unintended power delivery on the affected port. When a USB Type-C cable is disconnected while signaling a Fast Role Swap (FRS), the controller autonomously begins sourcing bus voltage (VBUS) power, but the role-swap sequence fails because the connection is broken. Due to improper state handling, the driver fails to trigger error recovery or reset the port, leaving power delivery active on the disconnected interface.
kernel: usb: typec: tcpm: recover after failure to start the frs ams — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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