CVE-2016-5195Linux Kernel Race Condition Vulnerability

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."

7.0 HIGHEPSS 83.52%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 00:48 UTC

OverviewCVSS details

7.0HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Nov 10, 2016
Assigner: Chrome

Affected

ubuntu linux (canonical)

Versions: 12.04 · 14.04

+17 more products →

Exploitation

Public exploit: Yes · 11 references
CISA KEV: Listed · Mar 3, 2022
KEV due date: Mar 24, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

83.52%chance of exploitation in 30 days

Higher than 99.68% of CVEs

CVSS 3.1 · NVD

7.0High

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

Attack vector: Local
Attack complexity: High
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.2High

AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Local
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.0	HIGH	3.1NVD	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2	HIGH	2.0NVD	AV:L/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Mar 24, 2022

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Details

CVE ID: CVE-2016-5195
Status: Analyzed
Assigner (CNA): Chrome
Published: Nov 10, 2016
Last modified: 2026-06-17 00:48 UTC
Weaknesses: CWE-362

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:07 UTC.