CVE-2026-31759

HIGH

usb: ulpi: fix double free in ulpi_register_interface() error path

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpi_register_interface() error path When device_register() fails, ulpi_register() calls put_device() on ulpi->dev. The device release callback ulpi_dev_release() drops the OF node reference and frees ulpi, but the current error path in ulpi_register_interface() then calls kfree(ulpi) again, causing a double free. Let put_device() handle the cleanup through ulpi_dev_release() and avoid freeing ulpi again in ulpi_register_interface().

Scores

CVSS v3 7.8
EPSS 0.0013
EPSS Percentile 2.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-415
Status published
Products (27)
linux/Kernel 4.2.0 - 5.10.253linux
linux/Kernel 5.11.0 - 5.15.203linux
linux/Kernel 5.16.0 - 6.1.168linux
linux/Kernel 6.13.0 - 6.18.22linux
linux/Kernel 6.19.0 - 6.19.12linux
linux/Kernel 6.2.0 - 6.6.134linux
linux/Kernel 6.7.0 - 6.12.81linux
Linux/Linux < 4.2
Linux/Linux 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f - 01af542392b5d41fd659d487015a71f627accce3
Linux/Linux 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f - 272a9b26c336a295e4e209157fed809706c1b1f7
... and 17 more
Published May 01, 2026
Tracked Since May 01, 2026