SB20251210104 - NULL pointer dereference in Linux kernel ethtool
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210104
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-2022-50651)
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.
Remediation
Install update from vendor's website.
References
- 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