Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-3564 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1964139 CVEIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html CVEThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html CVEThird Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/25/1 CVEExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/25/1 CVEExploitMailing ListThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-415Double Free[email protected]
CWE-415Double Free[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 3.13

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
34

CPE

  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3564
NVD Published Date:
Jun 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3564 Details - Not Deferred