SB20250619238 - NULL pointer dereference in Linux kernel net dsa driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619238
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-50047)
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.
Remediation
Install update from vendor's website.
References
- 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