National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-3841 Detail

Description

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.

Source:  MITRE
Description Last Modified:  08/06/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.3 HIGH
Vector: AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.3

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39 Issue Tracking Patch
http://rhn.redhat.com/errata/RHSA-2016-0855.html
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://rhn.redhat.com/errata/RHSA-2016-2584.html
http://rhn.redhat.com/errata/RHSA-2016-2695.html
http://source.android.com/security/bulletin/2016-08-01.html Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3 Release Notes
http://www.securityfocus.com/bid/92227
https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39 Issue Tracking Patch

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)
  • Use After Free (CWE-416)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-3841
NVD Published Date:
08/06/2016
NVD Last Modified:
01/04/2018