CVE-2016-5195

Confirmed PUBLISHED

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...

Linux · Linux Kernel
Exploited in the wild PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Confidence
Confirmed
Exploitation Status
Exploited in the wild
Observed in Sensors
No
Attempts (30d)
Unique Attacker IPs
CISA KEV
In CISA KEV
CVSS / EPSS
7.0 High

At a Glance

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."

cisa linux
CVE Published
Nov 10, 2016
Exploitation Reported
Mar 03, 2022
CVSS
7.0 High
EPSS
No user interaction

Affected Versions

Vendor Product Version Status
n/a
n/a

n/a

Affected

CVE References

  • RHSA-2016:2107 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2016-2107.html
  • RHSA-2017:0372 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2017:0372
  • RHSA-2016:2118 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2016-2118.html
  • RHSA-2016:2128 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2016-2128.html
  • RHSA-2016:2120 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2016-2120.html
Show 121 more references

Recommended Actions

  • Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
  • Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
  • Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.