AUGUST 4, 2026
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Case File

CVE-2021-3564

MEDIUM · CVSS 5.5 EPSS 0.48%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-3564
Severity
MEDIUM
CVSS
5.5
EPSS
0.48%
Linux

Original NVD Description

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.