CVE:CVE-2021-4090
CNNVD:CNNVD-202201-729
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 存在安全漏洞，攻击者可以通过 nfsd4_decode_bitmap() 触发 Linux 内核的缓冲区溢出，以触发拒绝服务，并可能运行代码。
solution:Upgrade linux linux_kernel to a higher version than 5.16,5.16,5.16:rc1,and avoid the version (,5.16),5.16,5.16:rc1; 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 -