CVE-2016-7916

CVSS V2 Medium 4.7 CVSS V3 Medium 5.5
Description
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
Overview
  • CVE ID
  • CVE-2016-7916
  • Assigner
  • security@android.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-11-16T05:59:11
  • Last Modified Date
  • 2017-01-18T02:59:12
Weakness Enumerations
CWE URL
CWE-362 http://cwe.mitre.org/data/definitions/362.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.5.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.7
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.kernel.org/show_bug.cgi?id=116461 Issue Tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3 Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4 Release Notes Vendor Advisory
https://forums.grsecurity.net/viewtopic.php?f=3&t=4363 Issue Tracking
https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 Issue Tracking Patch Third Party Advisory
http://source.android.com/security/bulletin/2016-11-01.html Third Party Advisory
http://www.securityfocus.com/bid/94138 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3159-2
http://www.ubuntu.com/usn/USN-3159-1
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7916
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7916
History
Created Old Value New Value Data Type Notes
2022-05-10 09:50:33 Added to TrackCVE
2022-12-02 12:06:05 2016-11-16T05:59Z 2016-11-16T05:59:11 CVE Published Date updated
2022-12-02 12:06:05 2017-01-18T02:59:12 CVE Modified Date updated
2022-12-02 12:06:05 Modified Vulnerability Status updated