CVE-2016-7907

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
Description
The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.
Overview
  • CVE ID
  • CVE-2016-7907
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-10-05T16:59:10
  • Last Modified Date
  • 2020-11-10T17:46:54
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.8.1.1
cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:2.9.0:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:a:qemu:qemu:2.9.0:rc5:*:*:*:*:*:* 1 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:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2016/10/03/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/1 Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05556.html Mailing List Patch Vendor Advisory
http://www.securityfocus.com/bid/93274 Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201611-11 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7907
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7907
History
Created Old Value New Value Data Type Notes
2022-05-10 16:20:38 Added to TrackCVE
2022-12-02 11:28:54 2016-10-05T16:59Z 2016-10-05T16:59:10 CVE Published Date updated
2022-12-02 11:28:54 2020-11-10T17:46:54 CVE Modified Date updated
2022-12-02 11:28:54 Analyzed Vulnerability Status updated