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."

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-670-1 linux security update
Debian DSA Debian DSA DSA-3696-1 linux security update
Ubuntu USN Ubuntu USN USN-3104-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-3104-2 Linux kernel (OMAP4) vulnerability
Ubuntu USN Ubuntu USN USN-3105-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-3105-2 Linux kernel (Trusty HWE) vulnerability
Ubuntu USN Ubuntu USN USN-3106-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-3106-2 Linux kernel (Xenial HWE) vulnerability
Ubuntu USN Ubuntu USN USN-3106-3 Linux kernel (Raspberry Pi 2) vulnerability
Ubuntu USN Ubuntu USN USN-3106-4 Linux kernel (Qualcomm Snapdragon) vulnerability
Ubuntu USN Ubuntu USN USN-3107-1 Linux kernel vulnerability
Ubuntu USN Ubuntu USN USN-3107-2 Linux kernel (Raspberry Pi 2) vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
http://fortiguard.com/advisory/FG-IR-16-063 cve-icon cve-icon
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 cve-icon cve-icon
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770 cve-icon cve-icon
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774 cve-icon cve-icon
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807 cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html cve-icon cve-icon
http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html cve-icon cve-icon
http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html cve-icon cve-icon
http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html cve-icon cve-icon
http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html cve-icon cve-icon
http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html cve-icon cve-icon
http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2098.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2105.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2106.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2107.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2110.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2118.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2120.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2124.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2126.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2127.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2128.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2132.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2133.html cve-icon cve-icon
http://seclists.org/fulldisclosure/2024/Aug/35 cve-icon
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-linux cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3696 cve-icon cve-icon
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en cve-icon cve-icon
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2016/10/21/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2016/10/26/7 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2016/10/27/13 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2016/10/30/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2016/11/03/7 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/03/07/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/08/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/08/2 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/08/7 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/08/8 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/09/4 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/15/1 cve-icon cve-icon
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html cve-icon cve-icon
http://www.securityfocus.com/archive/1/539611/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/540252/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/540344/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/540736/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/archive/1/539611/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/archive/1/540252/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/archive/1/540344/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/archive/1/540736/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/bid/93793 cve-icon cve-icon
http://www.securitytracker.com/id/1037078 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3104-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3104-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3105-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3105-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3106-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3106-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3106-3 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3106-4 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3107-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-3107-2 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2017:0372 cve-icon cve-icon
https://access.redhat.com/security/cve/cve-2016-5195 cve-icon cve-icon
https://access.redhat.com/security/vulnerabilities/2706661 cve-icon cve-icon
https://bto.bluecoat.com/security-advisory/sa134 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1384344 cve-icon cve-icon
https://bugzilla.suse.com/show_bug.cgi?id=1004418 cve-icon cve-icon
https://dirtycow.ninja cve-icon cve-icon
https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs cve-icon cve-icon
https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails cve-icon cve-icon
https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05352241 cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03707en_us cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03722en_us cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03742en_us cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03761en_us cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05341463 cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541 cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05352241 cve-icon cve-icon
https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10176 cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10177 cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10222 cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E7M62SRP6CZLJ4ZXCRZKV4WPLQBSR7DT/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWMDLBWMGZKFHMRJ7QUQVCERP5QHDB6W/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3APRVDVPDBXLH4DC5UKZVCR742MJIM3/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2016-5195 cve-icon
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html cve-icon cve-icon
https://security-tracker.debian.org/tracker/CVE-2016-5195 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20161025-0001/ cve-icon cve-icon
https://security.paloaltonetworks.com/CVE-2016-5195 cve-icon cve-icon
https://source.android.com/security/bulletin/2016-11-01.html cve-icon cve-icon
https://source.android.com/security/bulletin/2016-12-01.html cve-icon cve-icon
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-vcsd cve-icon cve-icon
https://www.arista.com/en/support/advisories-notices/security-advisories/1753-security-advisory-0026 cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-5195 cve-icon
https://www.cve.org/CVERecord?id=CVE-2016-5195 cve-icon
https://www.exploit-db.com/exploits/40611/ cve-icon cve-icon
https://www.exploit-db.com/exploits/40616/ cve-icon cve-icon
https://www.exploit-db.com/exploits/40839/ cve-icon cve-icon
https://www.exploit-db.com/exploits/40847/ cve-icon cve-icon
https://www.kb.cert.org/vuls/id/243144 cve-icon cve-icon
History

Tue, 04 Nov 2025 16:30:00 +0000

Type Values Removed Values Added
References

Wed, 22 Oct 2025 00:30:00 +0000


Tue, 21 Oct 2025 20:30:00 +0000


Tue, 21 Oct 2025 19:30:00 +0000


Wed, 29 Jan 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-03-03'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Aug 2024 00:00:00 +0000

Type Values Removed Values Added
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2025-11-04T16:09:08.278Z

Reserved: 2016-05-31T00:00:00.000Z

Link: CVE-2016-5195

cve-icon Vulnrichment

Updated: 2024-08-06T00:53:48.930Z

cve-icon NVD

Status : Deferred

Published: 2016-11-10T21:59:00.197

Modified: 2025-11-04T16:15:37.070

Link: CVE-2016-5195

cve-icon Redhat

Severity : Important

Publid Date: 2016-10-19T00:00:00Z

Links: CVE-2016-5195 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses