CVE-2016-6786

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Summary

CVECVE-2016-6786
StatePUBLISHED
Assignergoogle_android
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-28 07:59:00 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionkernel/events/core.c in the performance subsystem in the Linux kernel before 4.0 mismanages locks during certain migrations, which allows local users to gain privileges via a crafted application, aka Android internal bug 30955111.

Risk And Classification

Primary CVSS: v3.1 7 HIGH from [email protected]

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 1403842 – CVE-2016-6786 CVE-2016-6787 kernel: Possible privilege escalation due to lack of locking around changing event->ctx af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
perf: Fix event->ctx locking · torvalds/linux@f63a8da · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Vendor Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch, Vendor Advisory
Debian -- Security Information -- DSA-3791-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Google Android Multiple Privilege Escalation Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Android Security Bulletin—December 2016 | Android Open Source Project af854a3a-2127-422b-91ae-364da2661108 source.android.com Third Party Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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