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THREAT OPSThreat News › [NVD] CVE-2025-21677 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: pfcp: Destroy device along with udp socket's netns dismantle. pfcp_newlink() links the device to a list in dev_net(dev) instead of net, where a udp tunnel socket is created. Even when net is removed, the devic

[NVD] CVE-2025-21677 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: pfcp: Destroy device along with udp socket's netns dismantle. pfcp_newlink() links the device to a list in dev_net(dev) instead of net, where a udp tunnel socket is created. Even when net is removed, the devic

lownvdPublished 2025-01-31

CVE-2025-21677 CVSS: 7.8 HIGH Published: 2025-01-31T12:15:28.877

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

pfcp: Destroy device along with udp socket's netns dismantle.

pfcp_newlink() links the device to a list in dev_net(dev) instead of net, where a udp tunnel socket is created.

Even when net is removed, the device stays alive on dev_net(dev). Then, removing net trig

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-21677