Integer overflow in grub - CVE-2025-0678

 

Integer overflow in grub - CVE-2025-0678

Published: February 19, 2025


Vulnerability identifier: #VU104082
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-0678
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
grub

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow in squash4 fs module. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.


How to mitigate CVE-2025-0678

Install updates from vendor's website.

Sources