DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer (zephyrproject-rtos zephyr)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.62 % · percentile 50 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- zephyr
- NVD status
- Modified
Description
Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H | zephyr |
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H | NVD · vulnerabilities@zephyrproject.org (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-26660
- GCVE · GCVE-0-2021-3329
Affected configurations (NVD CPE)
cpe:2.3:o:zephyrproject:zephyr:2.4.0:-:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc1:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc2:*:*:*:*:*:*cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc3:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| zephyrproject-rtos · zephyr | affected unspecified ≤ v2.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |