CVE-2026-74406

None

Open

TLP:CLEAR

vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().

NVD CVE.org

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Description

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive(). udp_tunnel_sock_release() could set sk->sk_user_data to NULL while vxlan_gro_prepare_receive() is running. Let's check if rcu_dereference_sk_user_data() is NULL after skb_gro_remcsum_init().

Details

EPSS Score ⓘ: 0.17%

6.9th percentile
Confidence: 90%
Published: Aug 15, 2026
Last Modified: Aug 15, 2026

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