CVE-2021-3772

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    CVE-2021-3772

    Published: 2 Mar 2022Last Modified: 16 Apr 2026

    Summary:

    Details: A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.

    References: https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html, https://security.netapp.com/advisory/ntap-20221007-0001/, https://www.debian.org/security/2022/dsa-5096, https://www.oracle.com/security-alerts/cpujul2022.html, https://bugzilla.redhat.com/show_bug.cgi?id=2000694, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=32f8807a48ae55be0e76880cfe8607a18b5bb0df, https://github.com/torvalds/linux/commit/32f8807a48ae55be0e76880cfe8607a18b5bb0df, https://ubuntu.com/security/CVE-2021-3772

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -32f8807a48ae55be0e76880cfe8607a18b5bb0df

    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-2021-3772 | CVE-DB