PT-2025-49063 · Linux+2 · Linux Kernel+2
CVE-2025-40236
·
Published
2025-10-22
·
Updated
2026-02-24
CVSS v2.0
4.6
Medium
| Vector | AV:L/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel contains an issue within the virtio-net module. Specifically, when GSO tunnel is negotiated, the
virtio net hdr tnl from skb() function fails to zero unused rxhash fields during tunnel metadata initialization. This can potentially lead to information leakage to another side.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Initialization
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Weakness Enumeration
Related Identifiers
Affected Products
Linuxmint
Linux Kernel
Ubuntu