CVE Vulnerability

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1964139 Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/01/2 Exploit Mailing List
http://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit Mailing List
https://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2021-06-08 12:15

Updated : 2023-02-12 11:41

NVD link : CVE-2021-3564

Mitre link : CVE-2021-3564

Products Affected
No products.
CWE
CWE-415