CVE-2021-4197

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.

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2035652	Issue Tracking Third Party Advisory
https://lore.kernel.org/lkml/20211209214707.805617-1-tj@kernel.org/T/	Exploit Mailing List
https://www.debian.org/security/2022/dsa-5127	Third Party Advisory
https://security.netapp.com/advisory/ntap-20220602-0006/	Third Party Advisory
https://www.debian.org/security/2022/dsa-5173	Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html	Third Party Advisory

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:* cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*

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Published : 2022-03-23 08:15

Updated : 2023-02-03 11:59

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NVD link : CVE-2021-4197

Mitre link : CVE-2021-4197

No products.

CWE-287