CVE:CVE-2020-12769
CNNVD:CNNVD-202005-395
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 5.4.17之前版本中的drivers/spi/spi-dw.c文件存在安全漏洞。攻击者可通过同时调用dw_spi_irq和dw_spi_transfer_one利用该漏洞造成拒绝服务（内核错误）。
solution:Upgrade linux linux_kernel to a higher version than 5.4.17,and avoid the version (,5.4.17); Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,and avoid the version 14.04,16.04; Upgrade opensuse leap to a higher version than 15.1,15.2,and avoid the version 15.1,15.2; 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_compute_node_firmware 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 -