Vulnerability Description
The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging an incorrect cast.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.7.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=49adc5d3f8c6bb75e55ebfeab109c5c37
- http://www.openwall.com/lists/oss-security/2016/09/06/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/07/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92774Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00772.htmlPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01246.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201609-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=49adc5d3f8c6bb75e55ebfeab109c5c37
- http://www.openwall.com/lists/oss-security/2016/09/06/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/07/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92774Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00772.htmlPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01246.htmlPatchThird Party Advisory
FAQ
What is CVE-2016-7156?
CVE-2016-7156 is a vulnerability with a CVSS score of 4.4 (MEDIUM). The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leve...
How severe is CVE-2016-7156?
CVE-2016-7156 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7156?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.