CVE-2021-38208

    Dashboard / Vulnerabilities / CVE-2021-38208

    CVE-2021-38208

    Published: 8 Aug 2021Last Modified: 16 Apr 2026

    Summary:

    Details: net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.

    References: http://www.openwall.com/lists/oss-security/2021/08/17/1, http://www.openwall.com/lists/oss-security/2021/08/17/2, http://www.openwall.com/lists/oss-security/2021/08/24/2, https://bugzilla.redhat.com/show_bug.cgi?id=1992810, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10, https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-38208 | CVE-DB