Incorrect Error Handling in Bluetooth HCI core. Zephyr versions >= v1.14.2, >= v2.2.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gc66-xfrc-24qr
An official patch is available. Apply the patch as soon as possible.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityHigh
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityLow
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 0.2 → 0.2 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.2 |
Affected Software
| Vendor | Product | Version |
|---|
| zephyrproject | zephyr | ≤ 1.14.2 |
| zephyrproject | zephyr | ≥ 2.0.0, ≤ 2.2.0 |
| zephyrproject-rtos | zephyr | v1.14.2 |
| zephyrproject-rtos | zephyr | v2.2.0 |
Published: 2021-05-24
