CVE-2016-7155

Qemu: scsi: pvscsi: OOB read and infinite loop while setting descriptor rings

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.0

Review impact separately from score.

Published · August 31, 2016

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.4
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L

CVSS 2.0 · 3.8
AV:A/AC:M/Au:S/C:P/I:N/A:P

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')