CVE-2015-5156
linux - security update
EPSS 0.22%
Description
The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.
How to fix CVE-2015-5156
To remediate CVE-2015-5156, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 4.1.5-1 or later
- Debian/linux—upgrade to 3.2.68-1+deb7u4 or later
- —upgrade to 2.6.32-48squeeze14 or later
Is CVE-2015-5156 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.1.5-1
- from 0, < 3.2.68-1+deb7u4
- from 0, < 2.6.32-48squeeze14