CVE:CVE-2020-14351
CNNVD:CNNVD-202011-263
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 中存在资源管理错误漏洞。攻击者可以通过Linux内核的perf_mmap_close（）触发内存损坏，以触发拒绝服务并可能运行代码。
solution:Upgrade linux linux_kernel to a higher version than 5.8.17,and avoid the version (,5.8.17); Upgrade redhat enterprise_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0