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."
Metrics
CVSS 3.1 7.0/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://fortiguard.com/advisory/FG-IR-16-063Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619Issue Tracking, Patch, Vendor Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770Third Party Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774Third Party Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.htmlThird Party Advisory
- http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.htmlThird Party Advisory, VDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-2098.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2105.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2106.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2107.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2110.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2118.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2120.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2124.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2126.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2127.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2128.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2132.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2133.htmlThird Party Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-linuxThird Party Advisory
- http://www.debian.org/security/2016/dsa-3696Third Party Advisory
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-enThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3Release Notes
- http://www.openwall.com/lists/oss-security/2016/10/21/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/26/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/27/13Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/30/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/03/7Mailing List, Third Party Advisory
Timeline
- Published
- Nov 10, 2016
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- Mar 3, 2022
- NVD status
- Analyzed