CVE-2016-2391
qemu - security update
5.0
MEDIUM
CVSS 3.1
EPSS 0.06%
Description
The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.
How to fix CVE-2016-2391
To remediate CVE-2016-2391, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.6+dfsg-1 or later
- —upgrade to 1:2.1+dfsg-12+deb8u8 or later
Is CVE-2016-2391 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:2.6+dfsg-1
- from 0, < 1:2.1+dfsg-12+deb8u8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |