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CVE-2025-39718 In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Validate length in packet header…
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 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().
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 6.17 | premières → < 6.17 | 6.17 |
| Linux 6.16 | premières → < 6.16.4 | 6.16.4 |
| Linux 6.12 | premières → < 6.12.44 | 6.12.44 |
| Linux 6.6 | premières → < 6.6.103 | 6.6.103 |
| Linux | 6.3 | Pas de correctif indiqué |
| Linux 6.1 | premières → < 6.1.149 | 6.1.149 |
| SIMATIC CN 4100 5.0 | premières → < 5.0 | 5.0 |
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