by Kastro
Paper/Archive/CVE-2021-3966

CVE-2021-3966

zephyrproject-rtos zephyr — Usb bluetooth device ACL read cb buffer overflow

EPSS 0.5%public exploitCVSS 9.6
critical.is priorityof 100
47
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 42.9.429 × 208.6Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.

Affected

ProductAffectedFixed inSource
zephyrunspecified – v3.0–CNA

Scores by source

zephyr (CNA)9.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

refgithub.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m