CVE-2021-4204

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    CVE-2021-4204

    Published: 24 Aug 2022Last Modified: 16 Apr 2026

    Summary:

    Details: An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.

    References: https://security-tracker.debian.org/tracker/CVE-2021-4204, https://security.netapp.com/advisory/ntap-20221228-0003/, https://access.redhat.com/security/cve/CVE-2021-4204, https://bugzilla.redhat.com/show_bug.cgi?id=2039178, https://www.openwall.com/lists/oss-security/2022/01/11/4

    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-2021-4204 | CVE-DB