CVE-2016-7422

CVSS V2 Low 2.1 CVSS V3 Medium 6
Description
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.
Overview
  • CVE ID
  • CVE-2016-7422
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-12-10T00:59:18
  • Last Modified Date
  • 2023-02-12T23:25:25
Weakness Enumerations
CWE URL
CWE-120 http://cwe.mitre.org/data/definitions/120.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.7.1
AND
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.5
  • Impact Score
  • 4
References
Reference URL Reference Tags
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/10 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92996 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2016-7422
https://bugzilla.redhat.com/show_bug.cgi?id=1376755
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html Patch Third Party Advisory
https://security.gentoo.org/glsa/201609-01 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7422
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7422
History
Created Old Value New Value Data Type Notes
2022-05-10 06:58:22 Added to TrackCVE
2022-12-02 12:18:34 2016-12-10T00:59Z 2016-12-10T00:59:18 CVE Published Date updated
2022-12-02 12:18:34 2021-08-04T17:15:35 CVE Modified Date updated
2022-12-02 12:18:34 Analyzed Vulnerability Status updated
2023-02-02 23:05:46 2023-02-02T21:17:21 CVE Modified Date updated
2023-02-02 23:05:46 Analyzed Modified Vulnerability Status updated
2023-02-02 23:05:47 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. CVE-2016-7422 Qemu: virtio: null pointer dereference in virtqueu_map_desc Description updated
2023-02-02 23:05:49 References updated
2023-02-13 01:06:55 2023-02-12T23:25:25 CVE Modified Date updated
2023-02-13 01:06:55 CVE-2016-7422 Qemu: virtio: null pointer dereference in virtqueu_map_desc 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. Description updated