Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2016-5195

Linux Kernel Race Condition Vulnerability

HighExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Linux, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Mar 24, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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."

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
LinuxLinux>= 2.6.22, < 3.2.83; >= 3.3, < 3.4.113; >= 3.5, < 3.10.104; >= 3.11, < 3.12.66; >= 3.13, < 3.16.38; >= 3.17, < 3.18.443.2.83; 3.4.113; 3.10.104; 3.12.66; 3.16.38; 3.18.44KEV
PAN-OS / GlobalProtectPalo Alto Networks>= 5.1, < 7.0.14; >= 7.1.0, < 7.1.87.0.14; 7.1.8NVD

Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2016-5195 scored CVSS 7.0: Linux Kernel, Linux Kernel Race Condition Vulnerability

    CISA lists this as exploited in the wild. Unpatched Kernel systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2016-5195: Linux Kernel, Linux Kernel Race Condition Vulnerability

    An official fix is now available for Linux Kernel. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

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Coverage

We have not published a story about this vulnerability yet.

References