Heap-based Buffer Overflow Affecting qemu-kvm package, versions <10:1.5.3-126.el7_3.6
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-CENTOS7-QEMUKVM-2079402
- published26 Jul 2021
- disclosed14 Mar 2017
Introduced: 14 Mar 2017
CVE-2016-9603 (opens in a new tab)How to fix?
Upgrade Centos:7 qemu-kvm to version 10:1.5.3-126.el7_3.6 or higher.
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 Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
References
- http://www.securityfocus.com/bid/96893
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9603
- https://support.citrix.com/article/CTX221578
- https://access.redhat.com/security/cve/CVE-2016-9603
- https://security.gentoo.org/glsa/201706-03
- https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://access.redhat.com/errata/RHSA-2017:0987
- http://www.securitytracker.com/id/1038023