Vulnerability Name:

CVE-2021-3564 (CCN-202424)

Assigned:2021-05-25
Published:2021-05-25
Updated:2023-02-12
Summary: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 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H)
5.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-415
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-3564

Source: secalert@redhat.com
Type: Exploit, Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Exploit, Mailing List
secalert@redhat.com

Source: secalert@redhat.com
Type: Issue Tracking, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve20213564-dos(202424)

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: CCN
Type: oss-sec Mailing List, Tue, 25 May 2021 15:18:22 +0800
CVE-2021-3564 Linux Bluetooth device initialization implementation bug

Source: CCN
Type: IBM Security Bulletin 6570915 (Data Risk Manager)
IBM Data Risk Manager is affected by multiple vulnerabilities including a remote code execution in Spring Framework (CVE-2022-22965)

Source: CCN
Type: Linux Kernel Web site
The Linux Kernel Archives

Source: secalert@redhat.com
Type: Exploit, Mailing List, Third Party Advisory
secalert@redhat.com

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20220620
    P
    		RHSA-2022:0620: kernel security and bug fix update (Important)
    2022-02-22
    oval:org.opensuse.security:def:4740
    P
    		Security update for the Linux RT Kernel (Critical)
    2022-02-22
    oval:com.redhat.rhsa:def:20220622
    P
    		RHSA-2022:0622: kernel-rt security and bug fix update (Important)
    2022-02-22
    oval:org.opensuse.security:def:126960
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125120
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:127358
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125394
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:6159
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:125797
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:5341
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:4304
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:6158
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:4677
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:6356
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:com.redhat.rhsa:def:20214140
    P
    		RHSA-2021:4140: kernel-rt security and bug fix update (Moderate)
    2021-11-09
    oval:com.redhat.rhsa:def:20214356
    P
    		RHSA-2021:4356: kernel security, bug fix, and enhancement update (Moderate)
    2021-11-09
    BACK
    linux linux kernel -