CVE-2021-3564

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
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.
Overview
  • CVE ID
  • CVE-2021-3564
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2021-06-08T12:15:11
  • Last Modified Date
  • 2023-02-12T23:41:17
Weakness Enumerations
CWE URL
CWE-415 http://cwe.mitre.org/data/definitions/415.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 3.13
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/01/2 Exploit Mailing List
https://access.redhat.com/errata/RHSA-2021:4140
https://access.redhat.com/errata/RHSA-2021:4356
https://access.redhat.com/errata/RHSA-2022:0620
https://access.redhat.com/errata/RHSA-2022:0622
https://access.redhat.com/security/cve/CVE-2021-3564
https://bugzilla.redhat.com/show_bug.cgi?id=1964139 Issue Tracking 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
https://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3564
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3564
History
Created Old Value New Value Data Type Notes
2022-05-10 07:08:30 Added to TrackCVE
2022-12-05 03:42:34 2021-06-08T12:15Z 2021-06-08T12:15:11 CVE Published Date updated
2022-12-05 03:42:34 2022-05-16T19:58:24 CVE Modified Date updated
2022-12-05 03:42:34 Analyzed Vulnerability Status updated
2023-02-02 23:12:06 2023-02-02T21:21:06 CVE Modified Date updated
2023-02-02 23:12:06 Analyzed Modified Vulnerability Status updated
2023-02-02 23:12:06 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. 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. Description updated
2023-02-02 23:12:07 References updated
2023-02-13 01:11:57 2023-02-12T23:41:17 CVE Modified Date updated
2023-02-13 01:11:57 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. 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. Description updated