#VU104081 Integer overflow in grub - CVE-2025-0677
Published: February 19, 2025
Vulnerability identifier: #VU104081
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-0677
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
grub
grub
Software vendor:
GNU
GNU
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow when performing a symlink lookup within the grub_ufs_lookup_symlink() function in UFS filesystem driver. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.