Is CVE-2016-6187 in the CISA KEV catalog?

No. CVE-2016-6187 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-6187?

CVE-2016-6187 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-6187?

CVE-2016-6187 has an EPSS score of 2.40% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-6187?

Upgrade linux on debian 11 to 4.6.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-6187

HIGHEPSS 82th pctl

7.8

CVSS v3

NVD

Description

The 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.

CWE-119Buffer Overflow CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

linuxDebian

Fixed in:4.6.4-1CVE-2016-6187

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.40%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch2

Third-Party Advisory3

Issue Tracking1

bugzilla.redhat.com

Release Notes1

kernel.org

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.