CVE & CISA-KEV Catalog

CVE-2016-5195

HIGHCISA KEVEPSS 100th pctl
7.0
CVSS v3
NVD

Description

Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."

How to fix

Remediation Available
linuxDebian
Fixed in:4.7.8-1CVE-2016-5195
Fixed in:4.7.8-1CVE-2016-5195
Fixed in:4.7.8-1CVE-2016-5195
Fixed in:4.7.8-1CVE-2016-5195
linuxUbuntu
Fixed in:3.13.0-100.147USN-3105-1
Fixed in:4.4.0-45.66USN-3106-1
linux-image-3.13.0-100-genericUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-generic-lpaeUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-lowlatencyUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-powerpc-e500Ubuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-powerpc-e500mcUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-powerpc-smpUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-powerpc64-embUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-3.13.0-100-powerpc64-smpUbuntu
Fixed in:3.13.0-100.147USN-3105-1
linux-image-4.4.0-1029-raspi2Ubuntu
Fixed in:4.4.0-1029.36USN-3106-3
linux-image-4.4.0-1032-snapdragonUbuntu
Fixed in:4.4.0-1032.36USN-3106-4
linux-image-4.4.0-45-genericUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-generic-lpaeUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-lowlatencyUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-powerpc-e500mcUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-powerpc-smpUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-powerpc64-embUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-image-4.4.0-45-powerpc64-smpUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
Fixed in:4.4.0-45.66USN-3106-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-45.66~14.04.1USN-3106-2
linux-raspi2Ubuntu
Fixed in:4.4.0-1029.36USN-3106-3
linux-snapdragonUbuntu
Fixed in:4.4.0-1032.36USN-3106-4

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

83.01%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Linux Kernel Race Condition Vulnerability

Race condition in mm/gup.c in the Linux kernel allows local users to escalate privileges.

Apply updates per vendor instructions.

Remediation due: 2022-03-24

References

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2023-28126Medium5.967%--

Common questions

How do I fix CVE-2016-5195?

Published advisories record a fix for 22 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2016-5195 being actively exploited?

Yes. CVE-2016-5195 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-03-24. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2016-5195?

CVE-2016-5195 has a CVSS v3 base score of 7.0, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2016-5195 affect?

Published advisories record a fix for linux (Debian), linux (Ubuntu), linux-image-3.13.0-100-generic (Ubuntu), linux-image-3.13.0-100-generic-lpae (Ubuntu), and 18 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-04-21.