Android November patch fixes actively exploited kernel bug

silversurfer

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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.

Among the fixes, there's one that plugs CVE-2021-1048, a local escalation of privilege caused by a use after free weakness, which, according to Google, is under limited, targeted exploitation.

Not many technical details have been released around this flaw yet, as original equipment manufacturers (OEMs) are currently working on merging the patch with their custom builds, so most Android users are vulnerable.

The most severe issues addressed by the November 2021 patch are two critical System remote code execution (RCE ) bugs tracked as CVE-2021-0918 and CVE-2021-0930.