CVE:CVE-2021-38604
CNNVD:CNNVD-202108-1172
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。
GNU C Library（又名 glibc） 2.34版本及之前版本的 librt 中存在安全漏洞，该漏洞源于sysdeps/unix/sysv/linux/mq_notify.c 错误处理了某些 NOTIFY_REMOVED 数据，导致空指针取消引用。
solution:Upgrade gnu glibc to a higher version than 2.34,and avoid the version (,2.34]; Upgrade fedoraproject fedora to a higher version than 35,and avoid the version 35; Upgrade oracle communications_cloud_native_core_binding_support_function to a higher version than 22.1.3,and avoid the version 22.1.3; Upgrade oracle communications_cloud_native_core_network_function_cloud_native_environment to a higher version than 22.1.0,and avoid the version 22.1.0; Upgrade oracle communications_cloud_native_core_network_repository_function to a higher version than 22.1.2,22.2.0,and avoid the version 22.1.2,22.2.0; Upgrade oracle communications_cloud_native_core_security_edge_protection_proxy to a higher version than 22.1.1,and avoid the version 22.1.1; Upgrade oracle communications_cloud_native_core_unified_data_repository to a higher version than 22.2.0,and avoid the version 22.2.0; Upgrade oracle enterprise_operations_monitor to a higher version than 4.3,4.4,5.0,and avoid the version 4.3,4.4,5.0