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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-40236

virtio-net: zero unused hash fields

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • a2fb4bc4e2a6a031683910d85b278c1d25ae5420 to < b625d231c66a6041e98817ffc944bf6e4c45b2e3affected
  • a2fb4bc4e2a6a031683910d85b278c1d25ae5420 to < b2284768c6b32aa224ca7d0ef0741beb434f03aaaffected

Linux Linux

Default version status: affected

  • 6.17affected
  • 0 to < 6.17unaffected
  • 6.17.6 to ≤ 6.17.*unaffected
  • 6.18 to ≤ *unaffected

References