CVE:CVE-2020-12768
CNNVD:CNNVD-202005-392
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel 5.6之前版本中的arch/x86/kvm/svm.c文件的svm_cpu_uninit存在内存泄露漏洞。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 5.6,and avoid the version (,5.6); Upgrade canonical ubuntu_linux to a higher version than 18.04,19.10,20.04,and avoid the version 18.04,19.10,20.04; Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0