First published: Fri Feb 14 2025(Updated: )
When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap Out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.
Affected Software | Affected Version | How to fix |
---|---|---|
GRUB 2 |
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The severity of REDHAT-BUG-2345857 is considered high due to potential data integrity issues and the ability for attackers to circumvent secure boot protections.
To fix REDHAT-BUG-2345857, ensure that you apply updates provided by Red Hat for the GNU GRUB2 package that address the vulnerability.
The potential consequences of REDHAT-BUG-2345857 include data integrity issues and unauthorized circumvention of secure boot protections.
REDHAT-BUG-2345857 affects the GNU GRUB2 bootloader.
Currently, there are no officially recommended workarounds for REDHAT-BUG-2345857; applying the fix with updates is advised.