QID 198530

Date Published: 2021-10-13

QID 198530: Ubuntu Security Notification for containerd Vulnerability (USN-5100-1)

Containerd insufficiently restricted permissions on container root and plugin directories.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

if a user or automated system were tricked into launching a specially crafted container image, a remote attacker could traverse directory contents and modify files and execute programs on the host filesystem, possibly leading to privilege escalation..

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
  • Solution
    Refer to Ubuntu advisory: USN-5100-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198530

    Software Advisories
    Advisory ID Software Component Link
    USN-5100-1 Ubuntu Linux URL Logo ubuntu.com/security/notices/USN-5100-1
    © CVE.report 2026 |

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report