CVE-2021-3970

A potential vulnerability in LenovoVariable SMI Handler due to insufficient validation in some Lenovo Notebook models BIOS may allow an attacker with local access and elevated privileges to execute arbitrary code.

• lenovo ideapad 3-14ada05 firmware (< e8cn33ww) • lenovo ideapad 3-14ada6 firmware (< hbcn21ww) • lenovo ideapad 3-14alc6 firmware (< glcn43ww) • lenovo ideapad 3-14are05 firmware (< dzcn42ww) • lenovo ideapad 3-15ada6 firmware (< hbcn21ww) • lenovo ideapad 3-15alc6 firmware (< glcn43ww) • lenovo ideapad 3-15are05 firmware (< dzcn42ww) • lenovo ideapad 3-15igl05 firmware (< dvcn23ww) • lenovo ideapad 3-17ada05 firmware (< e8cn33ww) • lenovo ideapad 3-17ada6 firmware (< hbcn21ww) • lenovo ideapad 3-17alc6 firmware (< glcn43ww) • lenovo ideapad 3-17are05 firmware (< dzcn42ww) • lenovo ideapad 3-17iil05 firmware (< emcn52ww) • lenovo ideapad 3-17itl6 firmware (< ggcn33ww) • lenovo ideapad 3-15ada05 firmware (< e8cn33ww) • lenovo l3 15iml05 firmware (< ejcn27ww) • lenovo l3-15itl6 firmware (< gfcn23ww) • lenovo l340-15irh firmware (< bgcn35ww) • lenovo l340-15iwl firmware (< atcn46ww) • lenovo l340-15iwl touch firmware (< atcn46ww) • lenovo l340-17irh firmware (< bgcn35ww) • lenovo l340-17iwl firmware (< atcn46ww) • lenovo legion 5 pro-16ach6 firmware (< hhcn25ww) • lenovo legion 5 pro-16ach6h firmware (< gkcn51ww) • lenovo legion 5 pro-16ith6 firmware (< h1cn46ww) • lenovo legion 5 pro-16ith6h firmware (< h1cn46ww) • lenovo legion 5-15ach6 firmware (< hhcn25ww) • lenovo legion 5-15ach6a firmware (< g9cn28ww) • lenovo legion 5-15ach6h firmware (< gkcn51ww) • lenovo legion 5-15imh6 firmware (< g8cn19ww) • lenovo legion 5-15ith6 firmware (< h1cn46ww) • lenovo legion 5-15ith6h firmware (< h1cn46ww) • lenovo legion 5-17ach6 firmware (< hhcn25ww) • lenovo legion 5-17ach6h firmware (< gkcn51ww) • lenovo legion 5-17ith6 firmware (< h1cn46ww) • lenovo legion 5-17ith6h firmware (< h1cn46ww) • lenovo legion 7-16achg6 firmware (< gkcn51ww) • lenovo legion 7-16ithg6 firmware (< gkcn51ww) • lenovo legion s7-15ach6 firmware (< hacn35ww) • lenovo legion y540-15irh firmware (< bhcn44ww) • lenovo legion y540-15irh-pg0 firmware (< bhcn44ww) • lenovo legion y540-17irh firmware (< bhcn44ww) • lenovo legion y540-17irh-pg0 firmware (< bhcn44ww) • lenovo legion y545 firmware (< bhcn44ww) • lenovo legion y545-pg0 firmware (< bhcn44ww) • lenovo legion y7000-2019 firmware (< bhcn44ww) • lenovo legion y7000-2019-pg0 firmware (< bhcn44ww) • lenovo s14 g2 itl firmware (< ggcn33ww) • lenovo s145-14api firmware (< bucn31ww) • lenovo s145-14ast firmware (< aycn26ww) • lenovo s145-14igm firmware (< awcn28ww) • lenovo s145-14iil firmware (< dkcn54ww) • lenovo s145-15api firmware (< bucn31ww) • lenovo s145-15ast firmware (< aycn26ww) • lenovo s145-15igm firmware (< awcn28ww) • lenovo s145-15iil firmware (< dkcn54ww) • lenovo s540-13api firmware (< cxcn34ww) • lenovo s540-13iml firmware • lenovo slim 7 pro-14ihu5 firmware • lenovo slim 9-14itl05 firmware … and 45 more