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.

INFO

Published Date :

2025-12-04T15:31:26.497Z

Last Modified :

2025-12-04T15:31:26.497Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40236 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40236.

URL Resource
https://git.kernel.org/stable/c/b2284768c6b32aa224ca7d0ef0741beb434f03aa cve-icon cve-icon
https://git.kernel.org/stable/c/b625d231c66a6041e98817ffc944bf6e4c45b2e3 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120402-CVE-2025-40236-617c@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40236 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40236 cve-icon
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