CVE-2021-3835
Buffer overflow in usb device class
HIGH
8.8
CVSS Score
Published: February 7, 2022 at 10:00 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsZephyrZephyr
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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
Description
Buffer overflow in usb device class. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 2.7.1, so it looks safe — our inference, not a vendor statement
v ≥ v2.6.02.6.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jfCVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122CWE-787
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