CVE:CVE-2021-4083
CNNVD:CNNVD-202201-468
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存在竞争条件问题漏洞，该漏洞源于攻击者可以通过 RCU 文件参考 GC 触发 Linux 内核的内存损坏，以触发拒绝服务，并可能运行代码。
solution:Upgrade linux linux_kernel to a higher version than 4.9.292,4.14.257,4.19.220,5.4.164,5.10.84,5.15.7,5.16:rc1,5.16:rc2,5.16:rc3,and avoid the version (4.4.294,),[4.5,4.9.292),[4.10,4.14.257),[4.15,4.19.220),[4.20,5.4.164),[5.5.0,5.10.84),[5.11,5.15.7),5.16:rc1,5.16:rc2,5.16:rc3,no fixed version after 4.4.294; Upgrade netapp h410c_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 debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade netapp hci_management_node to a higher version than -; Upgrade netapp solidfire to a higher version than -; 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_exposure_function to a higher version than 22.1.1,and avoid the version 22.1.1; Upgrade oracle communications_cloud_native_core_policy to a higher version than 22.2.0,and avoid the version 22.2.0