CVE-2016-7155

low-risk
Published 2016-12-10

hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds access or infinite loop, and QEMU process crash) via a crafted page count for descriptor rings.

Do I need to act?

-
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 (12)

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7f61f4690dd153be98900a2a508b88989...
Mailing List http://www.openwall.com/lists/oss-security/2016/09/06/2
Mailing List http://www.openwall.com/lists/oss-security/2016/09/07/1
Third Party Advisory http://www.securityfocus.com/bid/92772
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7f61f4690dd153be98900a2a508b88989...
Mailing List http://www.openwall.com/lists/oss-security/2016/09/06/2
Mailing List http://www.openwall.com/lists/oss-security/2016/09/07/1
Third Party Advisory http://www.securityfocus.com/bid/92772
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html
22
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low