VULNERABILITY INTELLIGENCE
CVE-2025-40236
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-12-04
Last modified2026-10-19
Description
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.