SB2025020434 - Improper locking in Linux kernel net driver
Published: February 4, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025020434
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) Improper locking (CVE-ID: CVE-2025-21677)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pfcp_newlink(), pfcp_dellink() and pfcp_net_init() functions in drivers/net/pfcp.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.