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    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.

    Published:May 25, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 8, 2021
    EPSS Score:0.00021
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    http://www.openwall.com/lists/oss-security/2021/05/25/1http://www.openwall.com/lists/oss-security/2021/06/01/2https://www.openwall.com/lists/oss-security/2021/05/25/1http://www.openwall.com/lists/oss-security/2021/05/25/1http://www.openwall.com/lists/oss-security/2021/06/01/2https://www.openwall.com/lists/oss-security/2021/05/25/1

    Common Weakness Enumeration

    CWE-415 Double Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High