CVE:CVE-2020-8336
CNNVD:CNNVD-202006-798
Lenovo Lenove ThinkPad E490s等都是中国联想（Lenovo）公司的一款笔记本电脑。
多款Lenovo ThinkPad产品存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。以下产品及版本受到影响：ThinkPad E490s；ThinkPad S3；ThinkPad E490；ThinkPad L1415 Gen 1；ThinkPad L390 Yoga；ThinkPad S2 Yoga 4th Gen等。
solution:Upgrade lenovo thinkpad_e14_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_e15_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_r14_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_s3_gen_2_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_e490s_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_s3_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_e490_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_e590_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_r490_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_r590_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_l13_1st_gen_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_l1415_gen_1_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_l390_yoga_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_s2_yoga_4th_gen_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_l490_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_l590_firmware to a higher version than 2020-07-10,and avoid the version (,2020-07-10); Upgrade lenovo thinkpad_p1_(20mx)_firmware to a higher version than n2eet47w,and avoid the version (,n2eet47w); Upgrade lenovo thinkpad_p1_(20qx)_firmware to a higher version than n2oet44w,and avoid the version (,n2oet44w); Upgrade lenovo thinkpad_p43s_(20rx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_p52_(20mx)_firmware to a higher version than n2cet51w-1.34,and avoid the version (,n2cet51w-1.34); Upgrade lenovo thinkpad_p53_(20qx)_firmware to a higher version than n2net37w,and avoid the version (,n2net37w); Upgrade lenovo thinkpad_p53s_(20nx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_p72_(20mx)_firmware to a higher version than n2cet51w,and avoid the version (,n2cet51w); Upgrade lenovo thinkpad_p73_(20qx)_firmware to a higher version than n2net37w,and avoid the version (,n2net37w); Upgrade lenovo thinkpad_t490_(20nx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_t490_(20qx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_t490_(20rx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_t490s_(20nx)_firmware to a higher version than n2jet87w,and avoid the version (,n2jet87w); Upgrade lenovo thinkpad_t590_(20nx)_firmware to a higher version than n2iet88w,and avoid the version (,n2iet88w); Upgrade lenovo thinkpad_x1_carbon_(20qx)_firmware to a higher version than n2het47w,and avoid the version (,n2het47w); Upgrade lenovo thinkpad_x1_carbon_(20rx)_firmware to a higher version than n2het47w,and avoid the version (,n2het47w); Upgrade lenovo thinkpad_x1_extreme_(20mx)_firmware to a higher version than n2eet47w,and avoid the version (,n2eet47w); Upgrade lenovo thinkpad_x1_extreme_(20qx)_firmware to a higher version than n2oet44w,and avoid the version (,n2oet44w); Upgrade lenovo thinkpad_x1_yoga_(20qx)_firmware to a higher version than n2het47w,and avoid the version (,n2het47w); Upgrade lenovo thinkpad_x1_yoga_(20sx)_firmware to a higher version than n2het47w,and avoid the version (,n2het47w); Upgrade lenovo thinkpad_x390_(20qx)_firmware to a higher version than n2jet87w,and avoid the version (,n2jet87w); Upgrade lenovo thinkpad_x390_(20sx)_firmware to a higher version than n2set18w,and avoid the version (,n2set18w); Upgrade lenovo thinkpad_x390_yoga_firmware to a higher version than n2let74w,and avoid the version (,n2let74w)