CVE-2016-5195
HIGHCISA KEVEPSS 100th pctlDescription
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 v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Linux Kernel Race Condition Vulnerability
Race condition in mm/gup.c in the Linux kernel allows local users to escalate privileges.
Apply updates per vendor instructions.
Remediation due: 2022-03-24
References
- http://fortiguard.com/advisory/FG-IR-16-063
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
- http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice-LSN-0012-1.html
- http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html
- http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html
- http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POKEDATA-Privilege-Escalation.html
- http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice-LSN-0021-1.html
- http://rhn.redhat.com/errata/RHSA-2016-2098.html
- http://rhn.redhat.com/errata/RHSA-2016-2105.html
- http://rhn.redhat.com/errata/RHSA-2016-2106.html
- http://rhn.redhat.com/errata/RHSA-2016-2107.html
- http://rhn.redhat.com/errata/RHSA-2016-2110.html
- http://rhn.redhat.com/errata/RHSA-2016-2118.html
- http://rhn.redhat.com/errata/RHSA-2016-2120.html
- http://rhn.redhat.com/errata/RHSA-2016-2124.html
- http://rhn.redhat.com/errata/RHSA-2016-2126.html
- http://rhn.redhat.com/errata/RHSA-2016-2127.html
- http://rhn.redhat.com/errata/RHSA-2016-2128.html
- http://rhn.redhat.com/errata/RHSA-2016-2132.html
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.