CVE-2023-4424
bt: hci: DoS and possible RCE
HIGH
8.8
CVSS Score
Published: November 21, 2023 at 06:42 AM UTC
Updated: June 17, 2026 at 06:37 AM UTC
2 products affected across 2 vendorsZephyrZephyr
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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
Description
An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 3.4.0
v < 3.5
Affected range stops below 3.5, so it looks safe — our inference, not a vendor statement
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)
Third Party Advisory
Source: [email protected]
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j4qm-xgpf-qjw3CVSS
- 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-190CWE-120
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