Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-39718

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 buffer size is validated prior to virtio_vsock_skb_rx_put(). Unfortunately, virtio_vsock_skb_rx_put() uses the length from the packet header as the length argument to skb_put(), potentially resulting in SKB overflow if the host has gone wonky. Validate the length as advertised by the packet header before calling virtio_vsock_skb_rx_put().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.4%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2025-39718


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