High 8.1Published Oct 28, 2025

CVE-2025-40075tcp_metrics: use dst_dev_net_rcu()

Updated under an hour ago (Oct 27, 2026, 6:20 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 before 7012bea5622396b37566fbdc059f7c6a6c279d74; from 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 before 4b89397807eb04986427c4786d065e9442834ad4; from 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 before 07613a95326ebad2d1b88d883cd72546025a4f3e; from 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 before 50c127a69cd6285300931853b352a1918cfa180f	CNA record

References

References

https://git.kernel.org/stable/c/7012bea5622396b37566fbdc059f7c6a6c279d74
https://git.kernel.org/stable/c/4b89397807eb04986427c4786d065e9442834ad4
https://git.kernel.org/stable/c/07613a95326ebad2d1b88d883cd72546025a4f3e
https://git.kernel.org/stable/c/50c127a69cd6285300931853b352a1918cfa180f

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.