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CVE-2025-21760

Description

In the Linux kernel, the following vulnerability has been resolved:ndisc: extend RCU protection in ndisc_send_skb()ndisc_send_skb() can be called without RTNL or RCU held.Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu()and avoid a potential UAF.

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security