zephyrproject-rtos Zephyr up to 4.3 stm32 USB Device Driver usb_dc_stm32.c infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos Zephyr up to 4.3 and classified as problematic. This impacts an unknown function of the file drivers/usb/device/usb_dc_stm32.c of the component stm32 USB Device Driver. The manipulation results in infinite loop. This vulnerability is identified as CVE-2026-4179. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in zephyrproject-rtos Zephyr up to 4.3. It has been classified as problematic. Affected is an unknown code of the file drivers/usb/device/usb_dc_stm32.c of the component stm32 USB Device Driver. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability. CVE summarizes:

Issues in stm32 USB device driver (drivers/usb/device/usb_dc_stm32.c) can lead to an infinite while loop.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-4179 since 03/14/2026. The exploitability is told to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12190). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (zephyr): 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/14/2026 Advisory disclosed
03/14/2026 +0 days CVE reserved
03/14/2026 +0 days VulDB entry created
03/15/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-4179 (🔒)
GCVE (CVE): GCVE-0-2026-4179
GCVE (VulDB): GCVE-100-351096
EUVD: 🔒

Entryinfo

Created: 03/14/2026 23:37
Updated: 03/15/2026 00:13
Changes: 03/14/2026 23:37 (64), 03/15/2026 00:13 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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