CVE-2016-5126
qemu - security update
7.8
HIGH
CVSS 3.1
EPSS 0.20%
Description
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.
How to fix CVE-2016-5126
To remediate CVE-2016-5126, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.6+dfsg-2 or later
- —upgrade to 1:2.1+dfsg-12+deb8u12 or later
Is CVE-2016-5126 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:2.6+dfsg-2
- from 0, < 1:2.1+dfsg-12+deb8u12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |