CVE-2016-9754

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.
Overview
  • CVE ID
  • CVE-2016-9754
  • Assigner
  • security@android.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-01-05T11:59:00
  • Last Modified Date
  • 2023-01-17T21:05:25
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:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://source.android.com/security/bulletin/2017-01-01.html Third Party Advisory
https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6 Patch Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 Release Notes
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6 Exploit Patch Vendor Advisory
http://www.securityfocus.com/bid/95278
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-9754
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9754
History
Created Old Value New Value Data Type Notes
2022-05-10 09:50:50 Added to TrackCVE
2022-12-02 12:40:51 2017-01-05T11:59Z 2017-01-05T11:59:00 CVE Published Date updated
2022-12-02 12:40:51 2017-01-07T03:00:45 CVE Modified Date updated
2022-12-02 12:40:51 Modified Vulnerability Status updated
2023-01-12 05:06:10 Modified Undergoing Analysis Vulnerability Status updated
2023-01-17 22:07:33 2023-01-17T21:05:25 CVE Modified Date updated
2023-01-17 22:07:33 Undergoing Analysis Analyzed Vulnerability Status updated