CVE-2025-68734

Linux Kernel - Memory Leak in hfcsusb_probe() Error Path

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe() In hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when setup_instance() fails with an error code. Fix that by freeing the urb before freeing the hw structure. Also change the error paths to use the goto ladder style. Compile tested only. Issue found using a prototype static analysis tool.

Scores

EPSS 0.0003
EPSS Percentile 10.1%

Details

Status published
Products (25)
linux/Kernel 2.6.29 - 5.4.302linux
linux/Kernel 5.11.0 - 5.15.197linux
linux/Kernel 5.16.0 - 6.1.159linux
linux/Kernel 5.5.0 - 5.10.247linux
linux/Kernel 6.13.0 - 6.17.9linux
linux/Kernel 6.2.0 - 6.6.117linux
linux/Kernel 6.7.0 - 6.12.59linux
Linux/Linux < 2.6.29
Linux/Linux 2.6.29
Linux/Linux 5.10.247 - 5.10.*
... and 15 more
Published Dec 24, 2025
Tracked Since Feb 18, 2026