QID 353064

Date Published: 2021-12-14

QID 353064: Amazon Linux Security Advisory for runc : ALAS2DOCKER-2021-008

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container.
The highest threat from this vulnerability is to data confidentiality and integrity as well as to system availability. (
( CVE-2021-30465)



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 Critical - 8.5 severity.
  • CVSS V2 rated as High - 6 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2DOCKER-2021-008 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353064

    Software Advisories
    Advisory ID Software Component Link
    ALAS2DOCKER-2021-008 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASDOCKER-2021-008.html