Integer Overflow or Wraparound Affecting grub2-efi-x64-cdboot package, versions <1:2.06-61.amzn2023.0.16


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-GRUB2EFIX64CDBOOT-9692507
  • published15 Apr 2025
  • disclosed3 Mar 2025

Introduced: 3 Mar 2025

CVE-2024-45779  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 grub2-efi-x64-cdboot to version 1:2.06-61.amzn2023.0.16 or higher.
This issue was patched in ALAS2023-2025-937.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-efi-x64-cdboot package and not the grub2-efi-x64-cdboot package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash.

CVSS Base Scores

version 3.1