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CVE-2025-40170

7.8 high SSVC exploitation: none Deferred
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: net: use dst_dev_rcu() in sk_setup_caps() Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size(). Also use dst_dev_rcu() in ip6_dst_mtu_maybe_forward(), and ip_dst_mtu_maybe_forward(). ip4_dst_hoplimit() can use dst_dev_net_rcu().

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. References+1 references (now 4)NVD modified 2026-10-21 13:18
  2. First seenCVSS 7.8NVD modified 2026-10-19 21:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4