CVE-2025-40236 — virtio-net: zero unused hash fields
In the Linux kernel, the following vulnerability has been resolved: virtio-net: zero unused hash fields When GSO tunnel is negotiated virtio_net_hdr_tnl_from_skb() tries to in…
Published: 2025-12-04 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: virtio-net: zero unused hash fields When GSO tunnel is negotiated virtio_net_hdr_tnl_from_skb() tries to initialize the tunnel metadata but forget to zero unused rxhash fields. This may leak information to another side. Fixing this by zeroing the unused hash fields.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7