In the Linux kernel, the following vulnerability has been resolved:
USB: misc: uss720: unregister parport on probe failure
uss720_probe() registers a parport before reading the 1284 register used
to detect unsupported Belkin F5U002 adapters. If get_1284_register()
fails, the error path drops the driver private data and the USB device
reference, but leaves the parport device registered.
Leaving the port registered is more than a private allocation leak:
parport_register_port() has already reserved a parport number and
registered the parport bus device, while pp->private_data still points at
the private data that the common error path is about to release.
Undo the pre-announce registration in the get_1284_register() failure
branch before jumping to the common private-data cleanup path. Clear
priv->pp first, matching the disconnect path and avoiding a stale pointer
in the private data.
This issue was identified during our ongoing static-analysis research while
reviewing kernel code.
References
Configurations
Configuration 1 (hide)
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History
No history.
Information
Published : 2026-07-25 10:17
Updated : 2026-09-03 16:02
NVD link : CVE-2026-64338
Mitre link : CVE-2026-64338
CVE.ORG link : CVE-2026-64338
JSON object : View
Products Affected
linux
- linux_kernel
CWE