Security News > 2021 > November > Android November patch fixes actively exploited kernel bug
Google has released the Android November 2021 security updates, which address 18 vulnerabilities in the framework and system components, and 18 more flaws in the kernel and vendor components.
Not many technical details have been released around this flaw yet, as original equipment manufacturers are currently working on merging the patch with their custom builds, so most Android users are vulnerable.
As a reminder on how Android patch levels work, Google releases at least two of them each month, and for November, it's 2021-11-01, 2021-11-05, and 2021-11-06.
Those who see either 2021-11-05 or 2021-11-06 patch levels will receive all of the above, plus the November vendor and kernel patches.
This is the first security patch for the recently-released Android 12, but many of the fixes go back to versions 11, 10, and 9, depending on the scope of the addressed vulnerabilities.
If you are using older Android versions, you are not covered by this patch level, and your device is vulnerable to yet one more actively exploited flaw.