The Dirty Cow vulnerability lived in Linux for close to a decade, and while it was patched in October in the kernel and in Linux distributions, Android users had to wait for more than a month for their fix. Google included a patch for CVE-2016-5195 in the monthly Android Security Bulletin, the final one for 2016.
The Dirty Cow patch is one of 11 critical vulnerabilities, all of which are in the Dec. 5 patch level; a separate Dec. 1 patch level was also released today that included patches for 10 high-severity vulnerabilities.
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