CVE-2016-7156

Severity

21%

Complexity

39%

Confidentiality

48%

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 3.0 Base Score 4.4. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 8 years ago

2016-12-10 00:59:00

Last updated 6 years ago

2018-12-01 11:29:00

Affected Software

QEMU

References

http://git.qemu.org/?p=qemu.git;a=commit;h=49adc5d3f8c6bb75e55ebfeab109c5c37dea65e8

Issue Tracking, Patch

[oss-security] 20160906 CVE request: Qemu: scsi: pvscsi: infintie loop when building SG list

Mailing List, Third Party Advisory

[oss-security] 20160906 Re: CVE request: Qemu: scsi: pvscsi: infintie loop when building SG list

Mailing List, Third Party Advisory

92774

Third Party Advisory, VDB Entry

[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update

[qemu-devel] 20160906 [PATCH v2] scsi: pvscsi: check request descriptor SG element count

Patch, Vendor Advisory

[qemu-devel] 20160906 [PATCH v3] scsi: pvscsi: avoid infinite loop while building SG list