title: BT HCI host union variant confusion
description: Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
problem types: CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
affected:
{
defaultStatus: unaffected
packageName: Zephyr
product: Zephyr
repo: https://github.com/zephyrproject-rtos/zephyr
vendor: zephyrproject-rtos
versions:
lessThanOrEqual: 3.3, status: affected, version: *, versionType: git
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: PHYSICAL
availabilityImpact: HIGH
baseScore: 6.8
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL