CVE:CVE-2020-12771
CNNVD:CNNVD-202005-394
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 5.6.11及之前版本中的drivers/md/bcache/btree.c文件的‘btree_gc_coalesce’函数存在安全漏洞。攻击者可利用该漏洞导致进程死锁。
solution:Upgrade linux linux_kernel to a higher version than 5.6.11,and avoid the version (,5.6.11]; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade opensuse leap to a higher version than 15.1,15.2,and avoid the version 15.1,15.2; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,20.04,and avoid the version 14.04,16.04,18.04,20.04; Upgrade netapp active_iq_unified_manager to a higher version than -; Upgrade netapp cloud_backup to a higher version than -; Upgrade netapp element_software 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 hci_bootstrap_os to a higher version than -; Upgrade netapp a700s_firmware to a higher version than -; Upgrade netapp h300s_firmware to a higher version than -; Upgrade netapp h500s_firmware to a higher version than -; Upgrade netapp h700s_firmware to a higher version than -; Upgrade netapp h300e_firmware to a higher version than -; Upgrade netapp h500e_firmware to a higher version than -; Upgrade netapp h700e_firmware to a higher version than -; Upgrade netapp h410s_firmware to a higher version than -; Upgrade netapp h410c_firmware to a higher version than -; Upgrade netapp h610c_firmware to a higher version than -; Upgrade netapp h610s_firmware to a higher version than -; Upgrade netapp h615c_firmware to a higher version than -; Upgrade oracle sd-wan_edge to a higher version than 8.2,and avoid the version 8.2