QID 354121

Date Published: 2022-12-08

QID 354121: Amazon Linux Security Advisory for util-linux : ALAS2-2022-1878

A command injection flaw was found in the way util-linux implements umount autocompletion in bash.
An attacker with the ability to mount a filesystem with custom mount points may execute arbitrary commands on behalf of the user who triggers the umount autocompletion. (
( CVE-2018-7738)



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 - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2022-1878 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354121

    CVE-2018-7738 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1878 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1878.html
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