CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.
CVE
CVE-2025-39872
Severity
HIGH
CVSS
7.8
EPSS
0.14%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: hsr: hold rcu and dev lock for hsr_get_port_ndev hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller function.
Related CVEs
Other vulnerabilities affecting the same vendor(s)