CVE-2024-45776
Medium
Description
When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.
SeverityMedium
CVSS6.7
Exploit probability—
Product
Grub2
PublishedFeb 18, 2025
First seenFeb 18, 2025
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| grub2 | v ≤ 2.12 | — |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| enterprise_linux 9 | No range specified | — |
| Red Hat Red Hat OpenShift Container Platform 4 | No range specified | — |
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