Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package qemu-kvm (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1204-QEMUKVM-613274
- published12 Mar 2018
- disclosed12 Mar 2018
Introduced: 12 Mar 2018
CVE-2018-7858 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-kvm package and not the qemu-kvm package as distributed by Ubuntu.
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/