#VU120399 Use-after-free in Linux kernel - CVE-2022-50737
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120399
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50737
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ntfs_security_init() function in fs/ntfs3/fsntfs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/24ee53c6bce15500db22f2a7aee9dd830e806c90
- https://git.kernel.org/stable/c/bfcdbae0523bd95eb75a739ffb6221a37109881e
- https://git.kernel.org/stable/c/d6379ce242960a8e9ecd6ff76f476d9336c21f16
- https://git.kernel.org/stable/c/d7ce7bb6881aae186e50f57eea935cff8d504751
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87