VYPR
Unrated severityNVD Advisory· Published Nov 12, 2025· Updated Apr 15, 2026

CVE-2025-40170

CVE-2025-40170

Description

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().

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Affected products

188

Patches

Vulnerability mechanics

References

3

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