Vulnerability Intelligence Report
DoS: Invalid Initialization in le_read_buffer_size_complete
CVE-2023-0397
A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.
No Active Exploit Signals
CVSS Base Score
9.6
CRITICAL
Exploitability:2.9
Impact Score:6.0
EPSS Probability:0.47%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-703 ↗Improper Check or Handling of Exceptional Conditions (CWE-703)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | unspecified <= v3.2 (affected) |
Threat Intelligence Signals
EPSS Score
0.471%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zephyr Project · Vendor · USA |
| Reserved | 2023-01-19T00:00:00 |
| Published | 2023-01-19T00:00:00 |
| Patch Date | 2023-01-18 |
| Last Updated | 2025-04-03T17:03:20 |
Community Chatter & Buzz