Servers and applications
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-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."
Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 3 Mar 2022.
- Severity
- High 7.0
- Published
- 10 Nov 2016
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 7.0.14, 7.1.8
- Exploit chance
- 84% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- Race condition (CWE-362)
- Attack
- Needs local access · Only under certain conditions · Needs a user account · No user action needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Palo Alto Networks PAN-OSServers and applications · cpe:o:paloaltonetworks:pan-os |
|
Known exploited
- CISA name
- Linux Kernel Race Condition Vulnerability
- Required action
- Apply updates per vendor instructions.
- Due for US agencies
- 24 Mar 2022
- Used in ransomware
- Not known