CVE-2016-5195

HIGH
7
CVSS Score
Published: November 10, 2016 at 09:00 PM UTC
Updated: June 17, 2026 at 12:48 AM UTC
18 products affected across 7 vendorsLinux KernelDebian LinuxFedora

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Severity
HIGH7
Exploitation
CISA KEV
Exploit prediction
EPSS 84%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score83.5%

EPSS (Exploit Prediction Scoring System) estimates a 83.5% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Mar 3, 2022
Remediation Due
Mar 24, 2022
1677 days overdue

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.22 ≤ v < 3.2.833.11 ≤ v < 3.12.663.13 ≤ v < 3.16.383.17 ≤ v < 3.18.443.19 ≤ v < 4.1.353.3 ≤ v < 3.4.1133.5 ≤ v < 3.10.1044.2 ≤ v < 4.4.264.5 ≤ v < 4.7.94.8 ≤ v < 4.8.3
Affected range stops below 3.10.104, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.12.66, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.16.38, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.44, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.83, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.4.113, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.35, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.26, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.8.3, so it looks safe — our inference, not a vendor statement
All versions

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-362

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