Integer overflow in Linux kernel - CVE-2026-80672
Published: August 28, 2026
Vulnerability identifier: #VU146129
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80672
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an integer truncation leading to an out-of-bounds read in ntfs_check_restart_area() and ntfs_check_log_client_array() when mounting a crafted NTFS image. A local user can provide a specially crafted NTFS image to disclose sensitive information.
The issue is reachable during mount time while processing the $LogFile restart area and its log client record array.
Affected software
Linux kernel
How to mitigate CVE-2026-80672
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3