NULL pointer dereference in Linux kernel - CVE-2022-50047
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111511
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-2022-50047
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 mv88e6060_setup_port() function in drivers/net/dsa/mv88e6060.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50047
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728
- https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853
- https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c
- https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00
- https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4