QID 357289

Date Published: 2024-03-06

QID 357289: Amazon Linux Security Advisory for grub2 : ALAS2023-2024-546

A flaw was found in the grub2-set-bootflag utility of grub2.
After the fix of( CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file.
If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks. (
( CVE-2024-1048)



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 Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2024-546 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 357289

    CVE-2024-1048 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2024-546 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2024-546.html
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