CVE:CVE-2021-44733
CNNVD:CNNVD-202112-2166
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 5.15.11之前存在竞争条件问题漏洞，该漏洞源于 TEE 子系统中的 drivers/tee/tee_shm.c 中存在 use-after-free。
solution:Upgrade linux linux_kernel to a higher version than 5.15.11,and avoid the version (,5.15.11]; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade fedoraproject fedora to a higher version than 35,and avoid the version 35; Upgrade debian debian_linux to a higher version than 9.0,10.0,11.0,and avoid the version 9.0,10.0,11.0; Upgrade netapp baseboard_management_controller_h410c_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h300s_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h500s_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h700s_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h300e_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h500e_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h700e_firmware to a higher version than -; Upgrade netapp baseboard_management_controller_h410s_firmware to a higher version than -