CVE-2026-4179— stm32: usb: Infinite while loop in Interrupt Handler
Quick assessment
Affected
zephyrproject-rtos Zephyr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Zephyr是Zephyr开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr存在安全漏洞，该漏洞源于驱动程序问题，可能导致无限循环。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-4179
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
stm32: usb: Infinite while loop in Interrupt Handler
Source: CVE Program / CVE List V5
Vulnerability Description
Issues in stm32 USB device driver (drivers/usb/device/usb_dc_stm32.c) can lead to an infinite while loop.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
Zephyr 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是Zephyr开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr存在安全漏洞，该漏洞源于驱动程序问题，可能导致无限循环。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr | * ~ 4.3 | - |
|
II. Public POCs for CVE-2026-4179
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-4179
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-4179 (1)
IV. Related Vulnerabilities
Same product: Zephyr
-
CVE-2026-17053
SMBus callback-removal syscalls accept an unvalidated user p -
CVE-2026-18747
Integer underflow of net_buf length in the MCUmgr serial (SM -
CVE-2026-18746
NULL pointer dereference in Zephyr LwM2M client when the CoA -
CVE-2026-18417
Wild pointer dereference in Zephyr BSD sockets when a TCP li -
CVE-2026-18416
Out-of-bounds read in CoAP well-known-core Uri-Query href ma
Same vendor: zephyrproject-rtos
-
CVE-2026-13351
net: Maliciously fragmented IPv6 packets can prevent receivi -
CVE-2026-5068
bt: l2cap le coc: remote oob write via seg counter stored in -
CVE-2026-5067
Out-of-bounds read/write in HTTP WebSocket upgrade via non-n -
CVE-2026-5066
net: sockets: tls: Potential out-of-bounds write/read in soc -
CVE-2026-5589
Out-of-bounds write caused by an integer underflow in the Bl
Same weakness: CWE-835
-
CVE-2026-85476
Apache Thrift: c_glib `read_all` spins when the underlying r -
CVE-2026-94654
Apache Thrift: Python `TNonblockingServer` busy-loops and st -
CVE-2026-86535
Apache Thrift: A JSON member name can stall the Node server' -
CVE-2026-63575
PKCS#12 key derivation loops about 2^32 times on a zero or n -
CVE-2026-63570
Pkcs12Store.GetCertificateChain loops forever on cyclic issu
V. Comments for CVE-2026-4179
No comments yet