#VU111523 NULL pointer dereference in Linux kernel - CVE-2022-50009
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111523
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50009
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the f2fs_abort_atomic_write() and __get_segment_type_6() functions in fs/f2fs/segment.c, within the f2fs_ioc_start_atomic_write() function in fs/f2fs/file.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.