CVE-2026-64463High· 7.8▾ TwilightIn 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
Linux >= 302c570bf36e997d55ad0d60628a2feec76954a4 < ce2e36e8759dfbfe546723810c306f42f484866dLinux >= 302c570bf36e997d55ad0d60628a2feec76954a4 < 94b1abf1af94aa5a355e9f03675e07bccfc41c4bLinux >= 302c570bf36e997d55ad0d60628a2feec76954a4 < e5406c8fb71cd2f89a46300a746f6e7972e621e8Linux >= 302c570bf36e997d55ad0d60628a2feec76954a4 < 569f18a83eed0b0be4615f0c7bed40fb5c50e2e6Linux >= 302c570bf36e997d55ad0d60628a2feec76954a4 < e8da46d99d3710106e7c44db14566bf9b57386b5Linux 4309ab96ab744703871e35d829177dd9347bf643Linux 895ec8c86e13f85b119c71d5f95491b48867955eLinux 745dcedb896a740825160228f98dbb5725a49f85Linux >= 4.19.131 < 4.20Linux >= 5.4.50 < 5.5Linux >= 5.7.7 < 5.8Linux 5.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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