CVE-2021-4197

Fixed in a distro release EPSS <1%

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.

Published 2022-03-23 · CVE record · OSV

Products: linux_kernel, oracle communications_cloud_native_core_binding_support_function, debian_linux, broadcom brocade_fabric_operating_system_firmware, netapp h300s_firmware, netapp h500s_firmware, netapp h700s_firmware, netapp h410s_firmware, netapp h410c_firmware

Distro releases