CVE & CISA-KEV Catalog

CVE-2016-1576

HIGH
7.8
CVSS v3
NVD

Description

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

How to fix

Remediation Available
linuxDebian
Fixed in:4.5.1-1CVE-2016-1576
Fixed in:4.5.1-1CVE-2016-1576
Fixed in:4.5.1-1CVE-2016-1576
Fixed in:4.5.1-1CVE-2016-1576
linuxUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-genericUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-generic-lpaeUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-lowlatencyUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-powerpc-e500Ubuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-powerpc-e500mcUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-powerpc-smpUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-powerpc64-embUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.13.0-79-powerpc64-smpUbuntu
Fixed in:3.13.0-79.123USN-2907-1
linux-image-3.16.0-62-genericUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-generic-lpaeUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-lowlatencyUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-powerpc-e500mcUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-powerpc-smpUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-powerpc64-embUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.16.0-62-powerpc64-smpUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-image-3.19.0-51-genericUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-generic-lpaeUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-lowlatencyUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-powerpc-e500mcUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-powerpc-smpUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-powerpc64-embUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-3.19.0-51-powerpc64-smpUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-image-4.2.0-30-genericUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-generic-lpaeUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-lowlatencyUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-powerpc-e500mcUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-powerpc-smpUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-powerpc64-embUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-image-4.2.0-30-powerpc64-smpUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2
linux-lts-utopicUbuntu
Fixed in:3.16.0-62.82~14.04.1USN-2909-1
linux-lts-vividUbuntu
Fixed in:3.19.0-51.57~14.04.1USN-2910-1
linux-lts-wilyUbuntu
Fixed in:4.2.0-30.35~14.04.1USN-2908-2

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

1.06%probability of exploitation in 30 days
60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Exploit1
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CVE-2016-1576 severity badge

Markdown

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HTML

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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.