CVE:CVE-2020-8992
CNNVD:CNNVD-202002-798
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 5.5.3及之前版本中的fs/ext4/block_validity.c文件的ext4_protect_reserved_inode存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（软死锁）。
solution:Upgrade linux linux_kernel to a higher version than 5.5.3,and avoid the version (,5.5.3]; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,19.10,and avoid the version 14.04,16.04,18.04,19.10; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1; Upgrade netapp active_iq_unified_manager to a higher version than -; Upgrade netapp cloud_backup to a higher version than -; Upgrade netapp data_availability_services to a higher version than -; Upgrade netapp hci_management_node to a higher version than -; Upgrade netapp solidfire to a higher version than -; Upgrade netapp steelstore_cloud_integrated_storage to a higher version than -; Upgrade netapp h410c_firmware to a higher version than -