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CVE
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CVE-2016-7422Date: (C)2016-12-14   (M)2023-12-22


The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.0CVSS Score : 2.1
Exploit Score: 1.5Exploit Score: 3.9
Impact Score: 4.0Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: HIGHAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: CHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-92996
GLSA-201609-01
RHSA-2017:2392
RHSA-2017:2408
http://www.openwall.com/lists/oss-security/2016/09/16/4
http://www.openwall.com/lists/oss-security/2016/09/16/10
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
openSUSE-SU-2016:3237

CWE    1
CWE-120
OVAL    3
oval:org.secpod.oval:def:89045344
oval:org.secpod.oval:def:111459
oval:org.secpod.oval:def:38027

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