QID 353265

Date Published: 2022-04-28

QID 353265: Amazon Linux Security Advisory for grub2 : ALAS2-2022-1787

A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content.
This represents a low severity confidentiality issue, as those users can eventually read any encrypted passwords present in grub.cfg. (
( CVE-2021-3981)



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 Medium - 3.3 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2022-1787 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353265

    CVE-2021-3981 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1787 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1787.html
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