CVE-2021-3669

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    CVE-2021-3669

    Published: 26 Aug 2022Last Modified: 15 Mar 2026

    Summary:

    Details: A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.

    References: https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html, https://bugzilla.redhat.com/show_bug.cgi?id=1980619, https://bugzilla.redhat.com/show_bug.cgi?id=1986473, https://security-tracker.debian.org/tracker/CVE-2021-3669, https://access.redhat.com/security/cve/CVE-2021-3669

    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-2021-3669 | CVE-DB