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
- In the CISA exploited-vulnerabilities catalogue since Mar 3, 2022
- US federal agencies must remediate it by Mar 24, 2022 (BOD 22-01)
- Attacked 24 days before the vulnerability was made public
Apply updates per vendor instructions.
Source: CISA KEV · Aug 11, 2026 Nov 21, 2025 Sep 23, 2025 Aug 22, 2025 Aug 4, 2025 Jul 29, 2025
CVSS score7.0 / 10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness type (CWE)CWE-362, CWE-362
Vendorsredhat, debian, netapp, linux, fedoraproject, paloaltonetworks, canonical
Affected products
| Vendors | Prodotto | Versioni |
|---|---|---|
| canonical | ubuntu linux | 12.04 |
| linux | linux kernel | < 3.2.83 |
| redhat | enterprise linux | 5 |
| redhat | enterprise linux aus | 6.2 |
| redhat | enterprise linux eus | 6.6 |
| redhat | enterprise linux long life | 5.6 |
| redhat | enterprise linux tus | 6.5 |
| debian | debian linux | 7.0 |
| fedoraproject | fedora | 23 |
| paloaltonetworks | pan-os | < 7.0.14 |
| netapp | cloud backup | - |
| netapp | hci storage nodes | - |
| netapp | oncommand balance | - |
| netapp | oncommand performance manager | - |
| netapp | oncommand unified manager for clustered data ontap | - |
| netapp | ontap select deploy administration utility | - |
| netapp | snapprotect | - |
| netapp | solidfire | - |
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