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CVE-2025-21791

HIGH CVSS: 7.8 Published: 2025-02-27 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip_out() Add rcu_read_lock() / rcu_read_unlock() pair to avoid a potential UAF.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-416, CWE-416

References