NULL pointer dereference in Linux kernel - CVE-2022-50651
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119733
CSH Severity: Low
CVSS v4.0: 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-2022-50651
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the eeprom_prepare_data() function in net/ethtool/eeprom.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50651
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/138a13d8f5c81266032af680f63069387f2748da
- https://git.kernel.org/stable/c/1e3be98592a12511d4e78a9a67aaff3e6ca4980c
- https://git.kernel.org/stable/c/9d9effca9d7d7cf6341182a7c5cabcbd6fa28063
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1