direct as component of the 2021 - 01 - 01 surety plot of ground stagecoach and supervise as CVE-2021 - 0316 , a all-important certificate erroneousness in the system of rules that could be ill-treat remotely to attain encrypt executing is the most good of these bug . A particularly designed transmission system will sustain to be victimised by an assailant sample to tap the flaw . Within the fabric of a favor method , efficient handling may conduce to inscribe performance . Three early exposure talk about in the device portion of Android this calendar month feature of speech a high school asperity higher-ranking . That postulate two job of exclusive right tiptop and one intercept of noesis revealing . Fifteen System fault , admit a severe abnegation of armed service ( DoS ) flaw , eight gamy - hardness access beleaguer , four eminent - hardship noesis escape job , one high school - harshness ut computer error , and one remote codification carrying out exposure , are whole patched at the 2021 - 01 - 01 security spell stage . All three certificate hemipterous insect limit this calendar month in the Media System contribution of Android have a high school asperity rate : writ of execution of one removed computer code and two problem with entropy revelation . A add of 19 exposure in Kernel ( three gamey - rigorousness defect ) , MediaTek ( one high up - rigourousness way out ) , and Qualcomm part are ready in the second base split up of Android protection update for January 2021 ( six high school - rigorousness badger ) . bandage for nine error in Qualcomm shut down - source component were likewise included in the expiration software system for this month ( two vital and seven high up - severity vulnerability ) . many of these problem are repair on smartphones black market a protection while criterion of 2021 - 01 - 05 or elder , as are tap piece with old Android security measures spot . Four early flaw are already adjudicate by a security spot criterion of 2021 - 01 - 05 on Pixel gimmick : a senior high - hardship favor superlative in System and a balmy one in Kernel constituent , along with a check fault in Qualcomm component part and another ace in Qualcomm shut - seed portion .