#VU116547 NULL pointer dereference in Linux kernel - CVE-2022-50475
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116547
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-2022-50475
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 setup_port() and destroy_port() functions in drivers/infiniband/core/sysfs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/5e15ff29b156bbbdeadae230c8ecd5ecd8ca2477
- https://git.kernel.org/stable/c/ac7a7d7079124f46180714b2d41a1703d37101bb
- https://git.kernel.org/stable/c/cd06d32a71fbb198b2d43dddf794badd80ffd25d
- https://git.kernel.org/stable/c/f981c697b2f9bd5dd2f060e47ff8b5e0a2cd0c06
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86