Entreprise d'experts en Sécurité Informatique : Audits et conseils en cybersécurité
Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com


CVE-2025-39718

Description

In the Linux kernel, the following vulnerability has been resolved:vsock/virtio: Validate length in packet header before skb_put()When receiving a vsock packet in the guest, only the virtqueue buffersize is validated prior to virtio_vsock_skb_rx_put(). Unfortunately,virtio_vsock_skb_rx_put() uses the length from the packet header as thelength argument to skb_put(), potentially resulting in SKB overflow ifthe host has gone wonky.Validate the length as advertised by the packet header before callingvirtio_vsock_skb_rx_put().

POC

Reference

No PoCs from references.

Github

- https://github.com/fkie-cad/nvd-json-data-feeds

- https://github.com/w4zu/Debian_security