VYPR
High severity7.8NVD Advisory· Published Feb 27, 2025· Updated Jun 17, 2026

CVE-2025-21760

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.

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Affected products

170

Patches

Vulnerability mechanics

References

11

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