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Fencer Intel
high 7.5

CVE-2015-3215 json

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP pac…

published 9y ago modified 4mo ago also EUVD-2015-3278

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

Patch / fix

  • virtio-win RHEL 6 EXTRAS 1.7.4-1.el6_6
  • virtio-win RHEL 7 EXTRAS 1.7.4-1.el7

red hat advisories RHSA-2015:1043RHSA-2015:1044

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3215 updated cvss 6.1

virtio-win: netkvm: malformed packet can cause BSOD

  • Red Hat Enterprise Linux 5 virtio-win
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client Supplementary (v. 7) virtio-win 1.7.4-1.el7
    fixed: vendor fix RHSA-2015:1044
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) virtio-win 1.7.4-1.el6_6 Red Hat Enterprise Linux Server Supplementary (v. 6) virtio-win 1.7.4-1.el6_6
    fixed: vendor fix RHSA-2015:1043
  • Red Hat Enterprise Linux Server Supplementary (v. 7) virtio-win 1.7.4-1.el7
    fixed: vendor fix RHSA-2015:1044
  • Red Hat Enterprise Linux Workstation Supplementary (v. 6) virtio-win 1.7.4-1.el6_6
    fixed: vendor fix RHSA-2015:1043
  • Red Hat Enterprise Linux Workstation Supplementary (v. 7) virtio-win 1.7.4-1.el7
    fixed: vendor fix RHSA-2015:1044

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.