CVE-2016-5195
KEVLinux Kernel Race Condition Vulnerability
Description
Race condition in mm/gup.c in the Linux kernel allows local users to escalate privileges.
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 3.1 vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedNov 10, 2016
Last modifiedJun 17, 2026
Added to KEVMar 3, 2022
Remediation dueMar 24, 2022
References
- fortiguard.com/advisory/FG-IR-16-063Third Party Advisory
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619Issue TrackingPatch
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10770Third Party Advisory
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10774Third Party Advisory
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10807Third Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.htmlMailing List
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.htmlMailing List
0 recent articles mention this CVE
73
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1678 days
- CVSS
- 7.0 HIGH
- EPSS (30-day exploit probability)
- 83.5% · top 1% of all CVEs
- Weakness
- CWE-362
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.