Linux kernel vxlan_gro_prepare_receive Heap Buffer Overflow DoS

The vulnerability of the vxlangropreparereceive function in the drivers/net/vxlan/vxlancore.c component of the Linux kernel is related to the use of pointers. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protect...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed a potential nullptrdereference issue in vxlangropreparereceive. In the case of udptunnelsockrelease, it was possible for sk-skuserdata to be set to NULL while vxlangropreparereceive was still running. Let’s check...

CVE-2026-74406: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...