CVE-2017-5931: Integer Overflow
First published: Tue Feb 07 2017(Updated: )
Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code on the host via a crafted virtio-crypto request, which triggers a heap-based buffer overflow.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU KVM | <=2.8.1.1 |
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Reference Links
- https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01368.html
- http://www.openwall.com/lists/oss-security/2017/02/07/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1420092
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=a08aaff811fb194950f79711d2afe5a892ae03a4
- http://www.openwall.com/lists/oss-security/2017/02/08/2
- http://www.securityfocus.com/bid/96141
- https://security.gentoo.org/glsa/201702-28
Frequently Asked Questions
What is the severity of CVE-2017-5931?
CVE-2017-5931 has a severity rating of High due to its potential to cause a denial of service and possible arbitrary code execution.
How do I fix CVE-2017-5931?
To mitigate CVE-2017-5931, upgrade to QEMU version 2.8.1.2 or later, which addresses the integer overflow vulnerability.
Who is affected by CVE-2017-5931?
Local guest OS privileged users of QEMU versions prior to 2.8.1.2 are affected by CVE-2017-5931.
What are the potential impacts of CVE-2017-5931?
The impacts of CVE-2017-5931 include the possibility of a QEMU process crash and the risk of executing arbitrary code on the host.
What component of QEMU does CVE-2017-5931 affect?
CVE-2017-5931 specifically affects the hw/virtio/virtio-crypto.c component of QEMU.
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