CVE-2025-21760 — ndisc: extend RCU protection in ndisc_send_skb()
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. …
Published: 2025-02-27 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7