USN-4867-1

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    USN-4867-1

    Published: 10 Aug 2021Last Modified: 25 Jun 2026

    Summary: runc vulnerabilities

    Details: It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. (CVE-2019-16884) Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges. (CVE-2021-30465)

    References: https://ubuntu.com/security/notices/USN-4867-1, https://ubuntu.com/security/CVE-2019-16884, https://ubuntu.com/security/CVE-2021-30465

    Affected packages

    Package

    Name: runc

    Purl: pkg:deb/ubuntu/runc?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2

    Affected versions

    0.0.8+dfsg-2

    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
    USN-4867-1 | CVE-DB