CVE-2016-5195: Linux Kernel Race Condition Vulnerability
CVE-2016-5195 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2022-03-03
A race condition in the Linux kernel's mm/gup.c, known as 'Dirty COW', allows local users to gain privileges by leveraging incorrect handling of the copy-on-write (COW) feature. An attacker can exploit this to write to read-only memory mappings.
Yes. CVE-2016-5195 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.
How severe is CVE-2016-5195?
Critical severity, with a CVSS score of 7, published 3 March 2022.
Which products and versions are affected?
Linux Linux Kernel 2.x through 4.x before 4.8.3.
Is there a fix for CVE-2016-5195?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2016-5195 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2016-5195?
Check whether you run Linux Kernel. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Linux Linux Kernel 2.x through 4.x before 4.8.3
Timeline
2016-10: exploited: Exploited in the wild in October 2016.