Description

When reading data from a hfs filesystem, grub's hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculation to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result the hfsplus_open_compressed_real() function will write past of the internal buffer length. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution by-passing secure boot protections.

INFO

Published Date :

2025-03-03T14:16:13.252Z

Last Modified :

2026-01-08T03:06:57.637Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2025-1125 vulnerability.

Vendors Products
Gnu
  • Grub2
Redhat
  • Enterprise Linux
  • Openshift

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