QID 353061

Date Published: 2021-12-14

QID 353061: Amazon Linux Security Advisory for containerd : ALAS2DOCKER-2021-011

A flaw was found in containerd cri plugin.
Containers launched through containerd's cri implementation that share the same image may receive incorrect environment variables, including values that are defined for other containers.
The highest threat from this vulnerability is to data confidentiality. (
( CVE-2021-21334)



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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 6.3 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2DOCKER-2021-011 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353061

    CVE-2021-21334 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2DOCKER-2021-011 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASDOCKER-2021-011.html
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