CVE & CISA-KEV Catalog

CVE-2016-1237

MEDIUM

5.5

CVSS v3

Description

nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.

CWE-284Improper Access Control

How to fix

Remediation Available

linuxDebian

Fixed in:4.6.2-2CVE-2016-1237

Fixed in:4.6.2-2CVE-2016-1237

Fixed in:4.6.2-2CVE-2016-1237

Fixed in:4.6.2-2CVE-2016-1237

linuxUbuntu

Fixed in:4.4.0-36.55USN-3070-1

linux-image-3.19.0-66-genericUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-generic-lpaeUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-lowlatencyUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-powerpc-e500mcUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-powerpc-smpUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-powerpc64-embUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-3.19.0-66-powerpc64-smpUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-image-4.4.0-1021-raspi2Ubuntu

Fixed in:4.4.0-1021.27USN-3070-2

linux-image-4.4.0-1024-snapdragonUbuntu

Fixed in:4.4.0-1024.27USN-3070-3

linux-image-4.4.0-36-genericUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-generic-lpaeUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-lowlatencyUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-powerpc-e500mcUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-powerpc-smpUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-powerpc64-embUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-image-4.4.0-36-powerpc64-smpUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

Fixed in:4.4.0-36.55USN-3070-1

linux-lts-vividUbuntu

Fixed in:3.19.0-66.74~14.04.1USN-3053-1

linux-lts-xenialUbuntu

Fixed in:4.4.0-36.55~14.04.1USN-3070-4

linux-raspi2Ubuntu

Fixed in:4.4.0-1021.27USN-3070-2

linux-snapdragonUbuntu

Fixed in:4.4.0-1024.27USN-3070-3

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

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Vendor Advisory2

Other references9

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix

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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.