CVE-2016-7155

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-10 · updated 2026-06-17

Description

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.

Affected products

Debian Linux: 8.0
QEMU: through 2.7.1

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7f61f4690dd153be98900a2a508b88989e692753
http://www.openwall.com/lists/oss-security/2016/09/06/2
http://www.openwall.com/lists/oss-security/2016/09/07/1
http://www.securityfocus.com/bid/92772
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7f61f4690dd153be98900a2a508b88989e692753
http://www.openwall.com/lists/oss-security/2016/09/06/2
http://www.openwall.com/lists/oss-security/2016/09/07/1
http://www.securityfocus.com/bid/92772
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html

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