CVE-2017-8309
First published: Fri Apr 28 2017(Updated: )
Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU KVM | <=2.9.1 | |
| Debian GNU/Linux | =8.0 | |
| redhat openstack | =6.0 | |
| redhat openstack | =7.0 | |
| redhat openstack | =8 | |
| redhat openstack | =9 | |
| redhat openstack | =10 | |
| redhat openstack | =11 |
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Reference Links
- http://www.securityfocus.com/bid/98302
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg05587.html
- https://security.gentoo.org/glsa/201706-03
- http://www.openwall.com/lists/oss-security/2017/05/03/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1446521
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1446520
- https://bugzilla.redhat.com/show_bug.cgi?id=1446517
Frequently Asked Questions
What is the severity of CVE-2017-8309?
CVE-2017-8309 is classified as a moderate severity vulnerability due to its potential to cause denial of service through memory consumption.
How do I fix CVE-2017-8309?
To fix CVE-2017-8309, users should upgrade to versions of QEMU higher than 2.9.1 or apply security patches provided by their distribution.
What causes CVE-2017-8309?
CVE-2017-8309 is caused by a memory leak in the audio subsystem of QEMU that occurs when starting and stopping audio capture repeatedly.
Which versions of QEMU are affected by CVE-2017-8309?
CVE-2017-8309 affects QEMU versions up to and including 2.9.1 built with audio subsystem support.
Who is primarily impacted by CVE-2017-8309?
Users running vulnerable versions of QEMU on their systems, particularly in high-load environments, are primarily impacted by CVE-2017-8309.
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