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CVE-2021-4197

Description

An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.


Affected Software


CPE Name Name Version
linux:linux_kernel linux linux kernel 5.4.189
linux:linux_kernel linux linux kernel 4.19.238
linux:linux_kernel linux linux kernel 4.14.276
linux:linux_kernel linux linux kernel 5.10.111
linux:linux_kernel linux linux kernel 5.15.14
debian:debian_linux debian debian linux 10.0
oracle:communications_cloud_native_core_binding_support_function oracle communications cloud native core binding support function 22.1.3
oracle:communications_cloud_native_core_binding_support_function oracle communications cloud native core binding support function 22.1.1
oracle:communications_cloud_native_core_binding_support_function oracle communications cloud native core binding support function 22.2.0
broadcom:brocade_fabric_operating_system_firmware broadcom brocade fabric operating system firmware -
netapp:h300s_firmware netapp h300s firmware -
netapp:h500s_firmware netapp h500s firmware -
netapp:h700s_firmware netapp h700s firmware -
netapp:h410s_firmware netapp h410s firmware -
netapp:h410c_firmware netapp h410c firmware -

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