CVE-2020-12351

HIGH

Linux Kernel < 4.9.240 - Improper Input Validation

Title source: rule

Description

Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

Exploits (2)

nomisec WORKING POC 2 stars
by naren-jayram · poc
https://github.com/naren-jayram/Linux-Heap-Based-Type-Confusion-in-L2CAP
exploitdb WORKING POC
cremotelinux
https://www.exploit-db.com/exploits/49754

Scores

CVSS v3 8.8
EPSS 0.0272
EPSS Percentile 86.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (3)
linux/linux_kernel 5.9.0 (7 CPE variants)
linux/linux_kernel 5.9.1
linux/linux_kernel 4.7.7 - 4.9.240
Published Nov 23, 2020
Tracked Since Feb 18, 2026