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THREAT OPS › Threat News › [NVD] CVE-2025-39925 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: can: j1939: implement NETDEV_UNREGISTER notification handler syzbot is reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 problem, for j1939 protocol did not have NETDEV_UNREG

[NVD] CVE-2025-39925 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: can: j1939: implement NETDEV_UNREGISTER notification handler syzbot is reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 problem, for j1939 protocol did not have NETDEV_UNREG

lownvdPublished 2025-10-01

CVE-2025-39925 CVSS: 5.5 MEDIUM Published: 2025-10-01T08:15:35.857

In the Linux kernel, the following vulnerability has been resolved:

can: j1939: implement NETDEV_UNREGISTER notification handler

syzbot is reporting

unregister_netdevice: waiting for vcan0 to become free. Usage count = 2

problem, for j1939 protocol did not have NETDEV_UNREGISTER notification handler for undoing changes made

Indicators of compromise

CVE-2025-39925cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-39925