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CVE-2016-4952

Date: September 2, 2016

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.

Severity Score

Related Resources (11)

http://www.openwall.com/lists/oss-security/2016/05/23/1
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html
https://nvd.nist.gov/vuln/detail/CVE-2016-4952
http://www.openwall.com/lists/oss-security/2016/05/23/4
https://security-tracker.debian.org/tracker/CVE-2016-4952
https://bugzilla.redhat.com/show_bug.cgi?id=1334384
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
http://www.ubuntu.com/usn/USN-3047-2
http://www.ubuntu.com/usn/USN-3047-1
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4952
https://www.mend.io/vulnerability-database/CVE-2016-4952

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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