CVE-2016-4952

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

References

http://www.openwall.com/lists/oss-security/2016/05/23/1

http://www.openwall.com/lists/oss-security/2016/05/23/4

http://www.ubuntu.com/usn/USN-3047-1

http://www.ubuntu.com/usn/USN-3047-2

https://bugzilla.redhat.com/show_bug.cgi?id=1334384

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html

Details

Source: MITRE

Published: 2016-09-02

Updated: 2020-10-21

Type: CWE-787

Risk Information

CVSS v2

Base Score: 1.9

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW

CVSS v3

Base Score: 6

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM

Tenable Plugins

View all (15 total)

IDNameProductFamilySeverity
138009EulerOS Virtualization 3.0.6.0 : qemu-kvm (EulerOS-SA-2020-1790)NessusHuawei Local Security Checks
critical
119310Debian DLA-1599-1 : qemu security updateNessusDebian Local Security Checks
critical
94269SUSE SLES12 Security Update : xen (SUSE-SU-2016:2533-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
94000openSUSE Security Update : xen (openSUSE-2016-1170) (Bunker Buster)NessusSuSE Local Security Checks
critical
93999openSUSE Security Update : xen (openSUSE-2016-1169) (Bunker Buster)NessusSuSE Local Security Checks
critical
93298SUSE SLES11 Security Update : xen (SUSE-SU-2016:2100-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
93296SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:2093-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
93170SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1703-1)NessusSuSE Local Security Checks
critical
92966Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : qemu, qemu-kvm regression (USN-3047-2)NessusUbuntu Local Security Checks
high
92751Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : qemu, qemu-kvm vulnerabilities (USN-3047-1)NessusUbuntu Local Security Checks
high
92299Fedora 22 : 2:qemu (2016-ea3002b577)NessusFedora Local Security Checks
critical
92277Fedora 24 : 2:qemu (2016-a80eab65ba)NessusFedora Local Security Checks
critical
92255Fedora 23 : 2:qemu (2016-73853a7a16)NessusFedora Local Security Checks
critical
91980openSUSE Security Update : qemu (openSUSE-2016-839)NessusSuSE Local Security Checks
critical
91660SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)NessusSuSE Local Security Checks
critical