CVE-2023-0396
Buffer Overreads in Bluetooth HCI
MEDIUM
6.8
CVSS Score
Published: January 19, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:25 AM UTC
2 products affected across 2 vendorsZephyrZephyr
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
Description
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 3.2.0
v ≤ v3.2
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)
ExploitThird Party Advisory
Source: [email protected]
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8rpp-6vxq-pqg3SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.8MEDIUMCISA-ADP
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-126CWE-125
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