CVE-2016-7156

low-risk
Published 2016-12-10

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Qemu Debian

References (16)

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=49adc5d3f8c6bb75e55ebfeab109c5c37...
Mailing List http://www.openwall.com/lists/oss-security/2016/09/06/3
Mailing List http://www.openwall.com/lists/oss-security/2016/09/07/2
Third Party Advisory http://www.securityfocus.com/bid/92774
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00772.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01246.html
Third Party Advisory https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=49adc5d3f8c6bb75e55ebfeab109c5c37...
Mailing List http://www.openwall.com/lists/oss-security/2016/09/06/3
Mailing List http://www.openwall.com/lists/oss-security/2016/09/07/2
Third Party Advisory http://www.securityfocus.com/bid/92774
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00772.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01246.html
Third Party Advisory https://security.gentoo.org/glsa/201609-01
22
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low