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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

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

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/25/1	Exploit Mailing List Third Party Advisory
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

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Configuration 3 (hide)

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

Information

Published : 2021-06-08 05:15

Updated : 2023-02-12 15:41

NVD link : CVE-2021-3564

Mitre link : CVE-2021-3564

JSON object : View

CWE

CWE-415

Double Free

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Products Affected

fedoraproject

fedora

debian

debian_linux

linux

linux_kernel

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