CVE-2016-7157
First published: Sat Dec 10 2016(Updated: )
The (1) mptsas_config_manufacturing_1 and (2) mptsas_config_ioc_0 functions in hw/scsi/mptconfig.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via vectors involving MPTSAS_CONFIG_PACK.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU KVM | <=2.7.1 |
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Reference Links
- http://git.qemu.org/?p=qemu.git;a=commit;h=65a8e1f6413a0f6f79894da710b5d6d43361d27d
- http://www.openwall.com/lists/oss-security/2016/09/06/4
- http://www.openwall.com/lists/oss-security/2016/09/07/3
- http://www.securityfocus.com/bid/92775
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04295.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04296.html
- https://security.gentoo.org/glsa/201609-01
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=65a8e1f6413a0f6f79894da710b5d6d43361d27d
Frequently Asked Questions
What is the severity of CVE-2016-7157?
CVE-2016-7157 has a high severity level due to its potential to cause a denial of service by crashing the QEMU process.
How do I fix CVE-2016-7157?
To fix CVE-2016-7157, upgrade to QEMU version 2.7.2 or later, which includes the necessary patches.
Who is affected by CVE-2016-7157?
CVE-2016-7157 affects local guest OS administrators running vulnerable versions of QEMU up to 2.7.1.
What systems are vulnerable to CVE-2016-7157?
Any system running QEMU versions 2.7.1 and earlier that utilizes the mptsas configuration functions is vulnerable to CVE-2016-7157.
What is the impact of CVE-2016-7157?
The impact of CVE-2016-7157 is that it can lead to a denial of service through crashes of the QEMU process.
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- canonical/qemu kvm
- version/qemu kvm/2.7.1