CVE:CVE-2022-4020
CNNVD:CNNVD-202211-3571
Acer Extensa Series是中国宏碁（Acer）公司的一系列笔记本电脑。
Acer Extensa Series 存在安全漏洞，该漏洞源于其HQSwSmiDxe DXE驱动程序允许具有更高权限的攻击者通过修改NVRAM变量来修改UEFI安全引导设置。
solution:Upgrade acer aspire_a315-22g_firmware to a higher version than -; Upgrade acer aspire_a115-21_firmware to a higher version than -; Upgrade acer aspire_a315-22_firmware to a higher version than -; Upgrade acer extensa_ex215-21_firmware to a higher version than -; Upgrade acer extensa_ex215-21g_firmware to a higher version than -