ZephyrCVELIST:CVE-2023-1901CVE-2023-1901 HCI send_sync Dangling Semaphore Reference Re-use
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
9.0%
The bluetooth HCI host layer logic not clearing a global reference to a semaphore after synchronously sending HCI commands may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.
CNA 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"
}
]
}
]Related
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
9.0%