CVE-2025-21791 - Linux Kernel RCU Protection Vulnerability in VRF l3mdev_l3_out()

CVE-2025-21791 - Linux Kernel RCU Protection Vulnerability in VRF l3mdev_l3_out()

https://cvefeed.io/rssfeed/latest.atom / Thu, 02/27/2025 - 06:47
CVE ID : CVE-2025-21791
Published : Feb. 27, 2025, 3:15 a.m. | 1 hour, 33 minutes ago
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.
Severity: 0.0 | NA
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