Out-of-bounds Read Affecting qemu package, versions <1:2.11+dfsg-1ubuntu7.1
Threat Intelligence
EPSS
0.06% (28th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-UBUNTU1804-QEMU-427996
- published 12 Mar 2018
- disclosed 12 Mar 2018
Introduced: 12 Mar 2018
CVE-2018-7858 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04 qemu to version 1:2.11+dfsg-1ubuntu7.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-7858
- https://security-tracker.debian.org/tracker/CVE-2018-7858
- https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- http://www.openwall.com/lists/oss-security/2018/03/09/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1553402
- https://access.redhat.com/errata/RHSA-2018:1369
- https://access.redhat.com/errata/RHSA-2018:1416
- https://access.redhat.com/errata/RHSA-2018:2162
- http://www.securityfocus.com/bid/103350
- https://usn.ubuntu.com/3649-1/
CVSS Scores
version 3.1