CVE-2016-7422
6.0
MEDIUM
CVSS 3.1
EPSS 0.09%
Description
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.
How to fix CVE-2016-7422
To remediate CVE-2016-7422, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.7+dfsg-1 or later
Is CVE-2016-7422 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:2.7+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |