CVE-2026-4179: stm32: usb: Infinite while loop in Interrupt Handler
Published Mar 14, 2026
·Updated
Issues in stm32 USB device driver (drivers/usb/device/usbdcstm32.c) can lead to an infinite while loop.
Affected Software
2 affected components
STMicroelectronics STM32 USB Device Driver
zephyrproject zephyr<=4.3.0
Remediation
Event History
Mar 14, 2026
CVE Published
via MITRE·09:51 PM
Data Sourced
via MITRE·09:51 PM
DescriptionSeverityWeakness
Mar 16, 2026
Data Sourced
via NVD·02:19 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-4179?
CVE-2026-4179 is classified as a high-severity vulnerability due to its potential to cause an infinite while loop in the STM32 USB device driver.
2
How can I fix CVE-2026-4179?
To fix CVE-2026-4179, update the STM32 USB device driver to the latest version that addresses the infinite loop issue.
3
What systems are affected by CVE-2026-4179?
CVE-2026-4179 affects systems utilizing the STMicroelectronics STM32 USB Device Driver.
4
What are the risks associated with CVE-2026-4179?
The risks associated with CVE-2026-4179 include system instability and potential denial of service due to the infinite while loop.
5
Is there a known workaround for CVE-2026-4179?
There are no widely recognized workarounds for CVE-2026-4179; upgrading the driver is the recommended approach.