Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2021-3564

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.

  • Published: Jun 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-3564
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
linux / linux_kernel 3.13 3.13.x
fedoraproject / fedora 34 34.x
debian / debian_linux 9.0 9.0.x