HIGH · 7.0

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-o...

Vulnerability 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."

CVSS Score

7.0

HIGH

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
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CanonicalUbuntu Linux12.04
LinuxLinux Kernel>= 2.6.22, < 3.2.83
RedhatEnterprise Linux5
RedhatEnterprise Linux Aus6.2
RedhatEnterprise Linux Eus6.6
RedhatEnterprise Linux Long Life5.6
RedhatEnterprise Linux Tus6.5
DebianDebian Linux7.0
FedoraprojectFedora23
PaloaltonetworksPan-Os>= 5.1, < 7.0.14
NetappCloud Backup-
NetappHci Storage Nodes-
NetappOncommand Balance-
NetappOncommand Performance Manager-
NetappOncommand Unified Manager For Clustered Data Ontap-
NetappOntap Select Deploy Administration Utility-
NetappSnapprotect-
NetappSolidfire-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-5195?

CVE-2016-5195 is a vulnerability with a CVSS score of 7.0 (HIGH). 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-o...

How severe is CVE-2016-5195?

CVE-2016-5195 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-5195?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Linux Linux Kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Eus.