CVE-2017-2620
9.9
CRITICAL
CVSS 3.1
EPSS 2.4%
Description
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
How to fix CVE-2017-2620
To remediate CVE-2017-2620, upgrade the affected package to a fixed version below.
- —upgrade to 2.8.1-r1 or later
- —upgrade to 4.7.1-r5 or later
- —upgrade to 1:2.8+dfsg-3 or later
- —upgrade to 4.4.0-1 or later
Is CVE-2017-2620 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.8.1-r1
- from 0, < 4.7.1-r5
- from 0, < 1:2.8+dfsg-3
- from 0, < 4.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |