CVE-2016-7909
qemu - security update
4.4
MEDIUM
CVSS 3.1
EPSS 0.13%
Description
The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.
How to fix CVE-2016-7909
To remediate CVE-2016-7909, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.8+dfsg-1 or later
- —upgrade to 1.1.2+dfsg-6+deb7u18 or later
- —upgrade to 1.1.2+dfsg-6+deb7u18 or later
Is CVE-2016-7909 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1:2.8+dfsg-1
- from 0, < 1.1.2+dfsg-6+deb7u18
- from 0, < 1.1.2+dfsg-6+deb7u18
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |