CVE-2026-43343

MEDIUM

usb: gadget: f_subset: Fix unbalanced refcnt in geth_free

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_subset: Fix unbalanced refcnt in geth_free geth_alloc() increments the reference count, but geth_free() fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function. Decrement the reference count in geth_free() to ensure proper cleanup.

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 1.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (27)
linux/Kernel 3.11.0 - 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 < 3.11
Linux/Linux 02832e56f88a981474ee4c7c141f46fc1b4454f4 - 23e4851ce348a329d974e84e828155dda9f52122
Linux/Linux 02832e56f88a981474ee4c7c141f46fc1b4454f4 - 3d436670b47415da042452618fb5d8e317ab095f
... and 17 more
Published May 08, 2026
Tracked Since May 08, 2026