CVE-2016-6522

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
Integer overflow in the uvm_map_isavail function in uvm/uvm_map.c in OpenBSD 5.9 allows local users to cause a denial of service (kernel panic) via a crafted mmap call, which triggers the new mapping to overlap with an existing mapping.
Overview
  • CVE ID
  • CVE-2016-6522
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-03-07T16:59:00
  • Last Modified Date
  • 2017-03-09T02:59:00
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2016/08/02/8 Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/02/12 Exploit Mailing List Third Party Advisory
http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/023_uvmisavail.patch.sig Patch
http://www.securityfocus.com/bid/92264
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-6522
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6522
History
Created Old Value New Value Data Type Notes
2022-05-10 09:47:25 Added to TrackCVE
2022-12-02 14:27:31 2017-03-07T16:59Z 2017-03-07T16:59:00 CVE Published Date updated
2022-12-02 14:27:31 2017-03-09T02:59:00 CVE Modified Date updated
2022-12-02 14:27:31 Modified Vulnerability Status updated