CVE-2015-3215

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest...

7.5 HighFix available

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP packet, as demonstrated by a value that does not account for the size of the IP options.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.80%Up 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2015-3215
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-3215
Updated: 2026-11-02

EUVDEUVD-2015-3278 No score

Record: EUVD-2015-3278
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4jxc-842p-4w6x 7.5

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest...

Record: GHSA-4jxc-842p-4w6x
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

Affected products

redhat virtio-win

Affected packages

Affected packages
Package	Affected	Fixed
`virtio-win` Red Hat:rhel_extras:6	before 0:1.7.4-1.el6_6	0:1.7.4-1.el6_6
`virtio-win` Red Hat:rhel_extras:7	before 0:1.7.4-1.el7	0:1.7.4-1.el7

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3215 is a high vulnerability (CVSS 7.5) in Redhat Virtio-win, published June 26, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. Fixed in virtio-win 0:1.7.4-1.el6_6.

References

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