CVE-2026-64463

High

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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Linux

PublishedJul 25, 2026

First seenJul 25, 2026

Weakness typeCWE-401CWE-401

How to fix

Update

Linux Linux388f5354158fc038214b73baad43a723385fea1e, ce2e36e8759dfbfe546723810c306f42f484866d, 94b1abf1af94aa5a355e9f03675e07bccfc41c4b, e5406c8fb71cd2f89a46300a746f6e7972e621e8, 569f18a83eed0b0be4615f0c7bed40fb5c50e2e6, e8da46d99d3710106e7c44db14566bf9b57386b5, 4.20, 5.5, 5.8 or later

Affected products

Product	Affected versions	Fixed in
Linux Linux	302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < 388f5354158fc038214b73baad43a723385fea1e, 302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < ce2e36e8759dfbfe546723810c306f42f484866d, 302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < 94b1abf1af94aa5a355e9f03675e07bccfc41c4b, 302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < e5406c8fb71cd2f89a46300a746f6e7972e621e8, 302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < 569f18a83eed0b0be4615f0c7bed40fb5c50e2e6, 302c570bf36e997d55ad0d60628a2feec76954a4 ≤ v < e8da46d99d3710106e7c44db14566bf9b57386b5, 4309ab96ab744703871e35d829177dd9347bf643, 895ec8c86e13f85b119c71d5f95491b48867955e, 745dcedb896a740825160228f98dbb5725a49f85, 4.19.131 ≤ v < 4.20, 5.4.50 ≤ v < 5.5, 5.7.7 ≤ v < 5.8, 5.8	388f5354158fc038214b73baad43a723385fea1e, ce2e36e8759dfbfe546723810c306f42f484866d, 94b1abf1af94aa5a355e9f03675e07bccfc41c4b, e5406c8fb71cd2f89a46300a746f6e7972e621e8, 569f18a83eed0b0be4615f0c7bed40fb5c50e2e6, e8da46d99d3710106e7c44db14566bf9b57386b5, 4.20, 5.5, 5.8

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