VULNERABILITY

Debian: CVE-2024-45776: grub2 -- security update

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Debian: CVE-2024-45776: grub2 -- security update

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
02/18/2025
Created
05/16/2025
Added
05/15/2025
Modified
05/27/2025

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.

Solution(s)

  • no-fix-debian-deb-package

References

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