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CVE-2026-64463

⚠️ high
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Summary

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpci_rt1711h: unregister TCPCI port with devres rt1711h_probe() registers the TCPCI port before requesting the interrupt and enabling alert interrupts. If either of those later steps fails, the probe function returns without unregistering the TCPCI port. The explicit unregister currently only happens from the remove callback. Register a devres action immediately after tcpci_register_port() succeeds, so tcpci_unre

Description

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: tcpci_rt1711h: unregister TCPCI port with devres

rt1711h_probe() registers the TCPCI port before requesting the interrupt
and enabling alert interrupts. If either of those later steps fails, the
probe function returns without unregistering the TCPCI port. The explicit
unregister currently only happens from the remove callback.

Register a devres action immediately after tcpci_register_port() succeeds,
so tcpci_unregister_port() runs on later probe failures and on driver
detach. Drop the remove callback to avoid unregistering the same port
twice.

This issue was identified during our ongoing static-analysis research while
reviewing kernel code.

CVSS Score
7.8
High
EPSS Score
0.1
Exploit Probability
Published Date
2026-07-25
First Seen: 2026-07-31
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 69.2% of all 340,405 vulnerabilities in our database.

#104,736
Above average severity
Severity Percentile
Last Modified 2026-07-27
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

📦 Affected Products 0

No affected products information available

🔗 References 5