CVE-2016-5195

CVE-2016-5195 is a high-severity vulnerability in Netapp Cloud Backup with a CVSS 3.x base score of 7.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-03). The underlying weakness is classified as CWE-362.

Key facts

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."

Frequently asked questions

What is CVE-2016-5195?
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 severe is CVE-2016-5195?
CVE-2016-5195 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5195 being actively exploited?
Yes. CVE-2016-5195 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2016-5195?
CVE-2016-5195 primarily affects Netapp Cloud Backup. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5195?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2016-5195 have an EU (EUVD) identifier?
Yes. CVE-2016-5195 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-6146. It is also flagged as exploited in the EUVD (since 2022-03-03).
When was CVE-2016-5195 published?
CVE-2016-5195 was published on 2016-11-10 and last updated on 2026-06-17.

References

Affected products (31)

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