CVE-2016-7421

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
Description
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
Overview
  • CVE ID
  • CVE-2016-7421
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-12-10T00:59:17
  • Last Modified Date
  • 2023-02-12T23:25:19
Weakness Enumerations
CWE URL
CWE-834 http://cwe.mitre.org/data/definitions/834.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.7.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 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/2016/09/16/3 Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/16/9 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92998 Third Party Advisory VDB Entry
http://git.qemu.org/?p=qemu.git;a=commit;h=d251157ac1928191af851d199a9ff255d330bec9 Patch Vendor Advisory
https://security.gentoo.org/glsa/201609-01 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7421
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7421
History
Created Old Value New Value Data Type Notes
2022-05-10 17:08:02 Added to TrackCVE
2022-12-02 12:18:31 2016-12-10T00:59Z 2016-12-10T00:59:17 CVE Published Date updated
2022-12-02 12:18:31 2020-10-15T17:30:40 CVE Modified Date updated
2022-12-02 12:18:31 Analyzed Vulnerability Status updated
2023-02-13 01:06:54 2023-02-12T23:25:19 CVE Modified Date updated
2023-02-13 01:06:54 Analyzed Modified Vulnerability Status updated