Unchecked Return Value in Linux kernel - CVE-2026-98141
Published: September 28, 2026
Vulnerability identifier: #VU152306
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98141
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause symlink or WSL special-file creation to be reported as successful without reparse data being stored.
The vulnerability exists due to unchecked return value handling in update_reparse_data() in the NTFS reparse handling code when reparse index insertion fails during symlink or WSL special-file creation. A local user can invoke symlink(2) or create a WSL special file to cause symlink or WSL special-file creation to be reported as successful without reparse data being stored.
Affected software
Linux kernel
How to mitigate CVE-2026-98141
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3