CVE-2015-3215 Denial of service in n/a
Remote attackers can crash Windows guests by sending crafted IP packets with invalid length values to the NetKVM Virtio driver.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3215?
CVE-2015-3215 is a high-severity denial of service vulnerability in n/a, published on 26 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2015-3215?
It affects 1 product.
Linux distribution packages (2)
virtio-win Red Hat:rhel_extras:6 | All versions | 0:1.7.4-1.el6_6 |
virtio-win Red Hat:rhel_extras:7 | All versions | 0:1.7.4-1.el7 |
Products include Redhat Virtio-Win.
How do I fix CVE-2015-3215?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-3215 being exploited?
There is no known exploitation of CVE-2015-3215 in the wild and no public exploit code.
Sources
Also known as GHSA-4jxc-842p-4w6x, RHSA-2015:1043, RHSA-2015:1044.