CVE-2016-5195
HighActively exploited (CISA KEV)
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."
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux Kernel
PublishedNov 10, 2016
First seenNov 10, 2016
Added to KEVMar 3, 2022
Weakness typeCWE-362Race condition
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Mar 24, 2022Update
- linux linux_kernel3.2.83, 3.4.113, 3.10.104, 3.12.66, 3.16.38, 3.18.44, 4.1.35, 4.4.26, 4.7.9, 4.8.3 or later
- paloaltonetworks pan-os7.0.14, 7.1.8 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.22 ≤ v < 3.2.83, 3.3 ≤ v < 3.4.113, 3.5 ≤ v < 3.10.104, 3.11 ≤ v < 3.12.66, 3.13 ≤ v < 3.16.38, 3.17 ≤ v < 3.18.44, 3.19 ≤ v < 4.1.35, 4.2 ≤ v < 4.4.26, 4.5 ≤ v < 4.7.9, 4.8 ≤ v < 4.8.3 | 3.2.83, 3.4.113, 3.10.104, 3.12.66, 3.16.38, 3.18.44, 4.1.35, 4.4.26, 4.7.9, 4.8.3 |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 16.10 | — |
| redhat enterprise_linux | 5, 6.0, 7.0 | — |
| redhat enterprise_linux_aus | 6.2, 6.4, 6.5 | — |
| redhat enterprise_linux_eus | 6.6, 6.7, 7.1 | — |
| redhat enterprise_linux_long_life | 5.6, 5.9 | — |
| redhat enterprise_linux_tus | 6.5 | — |
| debian debian_linux | 7.0, 8.0 | — |
| fedoraproject fedora | 23, 24, 25 | — |
| paloaltonetworks pan-os | 5.1 ≤ v < 7.0.14, 7.1.0 ≤ v < 7.1.8 | 7.0.14, 7.1.8 |
| netapp cloud_backup | No range specified | — |
| netapp hci_storage_nodes | No range specified | — |
| netapp oncommand_balance | No range specified | — |
| netapp oncommand_performance_manager | No range specified | — |
| netapp oncommand_unified_manager_for_clustered_data_ontap | No range specified | — |
| netapp ontap_select_deploy_administration_utility | No range specified | — |
| netapp snapprotect | No range specified | — |
| netapp solidfire | No range specified | — |
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