CVE:CVE-2020-11669
CNNVD:CNNVD-202004-592
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel 5.2之前版本（powerpc平台）中存在安全漏洞，该漏洞源于arch/powerpc/kernel/idle_book3s.S文件没有保存/恢复功能来用于PNV_POWERSAVE_AMR、PNV_POWERSAVE_UAMOR和PNV_POWERSAVE_AMOR。攻击者可利用该漏洞造成拒绝服务。
solution:Upgrade linux linux_kernel to a higher version than 5.2,and avoid the version (,5.2); Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1; Upgrade redhat enterprise_linux to a higher version than 7.0,and avoid the version 7.0