CVE-20XX-?
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CVE-2016-5195

7.0 HIGH 84% exploit odds exploited in the wild Fix listed Other OS & kernel

What it is

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."

At a glance

Exploitability
Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
In the wild
CISA lists this as exploited in real attacks. Treat as urgent.
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. ReservedThe CVE id was reserved by its CNA
  2. PublishedDisclosed publicly on CVE.org and NVD
  3. Fix referencedNVD first recorded a patch, advisory or mitigation link
  4. 2022-03-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
  5. 2022-03-24 Remediation deadlineCISA's due date for federal agencies to fix it
  6. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Added to CISA KEV
2022-03-03
Exploit probability
83.5% · EPSS, next 30 days
Weakness
CWE-362 · Race condition
Record status
Analyzed

Affected

Attack profile CVSS 3.1 · 7.0

Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2016-5195.md and follow it. Check whether this project is affected by CVE-2016-5195. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record