CVE-2016-6187

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Summary

CVECVE-2016-6187
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-06 20:59:10 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-119 | CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

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

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

CVSS v2.0 Breakdown

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

AV:L/AC:L/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
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Issue Tracking, Patch
Bug 1354383 – CVE-2016-6187 kernel: apparmor: Potential privilege escalation via oops in apparmor_setprocattr() af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
'[GIT PULL] Fix for AppArmor oops in apparmor_setprocattr()' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info Third Party Advisory
apparmor: fix oops, validate buffer size in apparmor_setprocattr() · torvalds/linux@30a46a4 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Release Notes
oss-security - Re: CVE request: apparmor: oops in apparmor_setprocattr() af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Malformed Request af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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