Use-after-free in Linux kernel - CVE-2022-50507
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116517
CSH Severity: Low
CVSS v4.0: 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-2022-50507
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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_read_mft() function in fs/ntfs3/inode.c. A local user can escalate privileges on the system.
How to mitigate CVE-2022-50507
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/6db620863f8528ed9a9aa5ad323b26554a17881d
- https://git.kernel.org/stable/c/9173b89c16a603d73c434b695fe2a7a13491300f
- https://git.kernel.org/stable/c/de5e0955248ff90a2ae91e7f5c108392b52152d0
- https://git.kernel.org/stable/c/e0455361d3068066a91fe18282b751925d7b5ee7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.17