CVE-2021-3905

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    CVE-2021-3905

    Published: 23 Aug 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.

    References: https://access.redhat.com/security/cve/CVE-2021-3905, https://security.gentoo.org/glsa/202311-16, https://bugzilla.redhat.com/show_bug.cgi?id=2019692, https://github.com/openvswitch/ovs-issues/issues/226, https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349, https://ubuntu.com/security/CVE-2021-3905

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -db7c86e5d03cd9018739e5fa47cc6be0bad246a0

    Affected versions

    v1.1.0pre2
    v1.1.0pre1

    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-2021-3905 | CVE-DB