CVE-2025-40236
virtio-net: zero unused hash fields
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 4, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
a2fb4bc4e2a6a031683910d85b278c1d25ae5420 < b625d231c66a6041e98817ffc944bf6e4c45b2e3 a2fb4bc4e2a6a031683910d85b278c1d25ae5420 < b2284768c6b32aa224ca7d0ef0741beb434f03aa
Linux / Linux
6.17