CVE-2021-4197

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Summary

CVECVE-2021-4197
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-23 20:15:00 UTC
Updated2023-11-07 03:40:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Broadcom Brocade Fabric Operating System Firmware - All All All
Operating System Debian Debian Linux 10.0 All All All
Application Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All
Application Oracle Communications Cloud Native Core Binding Support Function 22.1.1 All All All
Application Oracle Communications Cloud Native Core Binding Support Function 22.1.3 All All All
Application Oracle Communications Cloud Native Core Binding Support Function 22.2.0 All All All

References

ReferenceSourceLinkTags
[PATCHSET cgroup/for-5.16-fixes] cgroup: Use open-time creds and namespace for migration perm checks lore.kernel.org
Debian -- Security Information -- DSA-5127-1 linux DEBIAN www.debian.org
CVE-2021-4197 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
Debian -- Security Information -- DSA-5173-1 linux DEBIAN www.debian.org
[PATCHSET cgroup/for-5.16-fixes] cgroup: Use open-time creds and namespace for migration perm checks MISC lore.kernel.org
2035652 – (CVE-2021-4197) CVE-2021-4197 kernel: cgroup: Use open-time creds and namespace for migration perm checks MISC bugzilla.redhat.com
Oracle Critical Patch Update Advisory - July 2022 N/A www.oracle.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
  • 159896 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9479)
  • 159899 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel-container (ELSA-2022-9480)
  • 179258 Debian Security Update for linux (DSA 5127-1)
  • 180605 Debian Security Update for linux (DSA 5173-1)
  • 181945 Debian Security Update for linux (CVE-2021-4197)
  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 198708 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5337-1)
  • 198731 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5368-1)
  • 198824 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5467-1)
  • 198858 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5515-1)
  • 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
  • 240298 Red Hat Update for kernel security (RHSA-2022:1988)
  • 240544 Red Hat Update for kernel-rt (RHSA-2022:5633)
  • 240545 Red Hat Update for kernel (RHSA-2022:5626)
  • 282240 Fedora Security Update for kernel (FEDORA-2022-d918ad60e5)
  • 282241 Fedora Security Update for kernel (FEDORA-2022-ade480f201)
  • 353184 Amazon Linux Security Advisory for kernel : ALAS-2022-1571
  • 353189 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-023
  • 353190 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-011
  • 353195 Amazon Linux Security Advisory for kernel : ALAS2-2022-1761
  • 376925 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0125)
  • 377124 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0029)
  • 6140363 AWS Bottlerocket Security Update for kernel (GHSA-5536-w268-777r)
  • 671448 EulerOS Security Update for kernel (EulerOS-SA-2022-1450)
  • 671474 EulerOS Security Update for kernel (EulerOS-SA-2022-1429)
  • 671505 EulerOS Security Update for kernel (EulerOS-SA-2022-1489)
  • 671535 EulerOS Security Update for kernel (EulerOS-SA-2022-1508)
  • 671611 EulerOS Security Update for kernel (EulerOS-SA-2022-1537)
  • 671703 EulerOS Security Update for kernel (EulerOS-SA-2022-1735)
  • 751654 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0197-1)
  • 751657 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0198-1)
  • 751666 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0169-1)
  • 751695 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0367-1)
  • 751696 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0364-1)
  • 751697 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0366-1)
  • 751698 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0362-1)
  • 751701 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0366-1)
  • 751702 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0371-1)
  • 751703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0372-1)
  • 751993 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0198-1)
  • 753194 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0288-1)
  • 753267 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0169-1)
  • 753462 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0289-1)
  • 900777 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9138)
  • 901915 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9141)
  • 902012 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9138-1)
  • 902096 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9141-1)
  • 905833 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9138-2)
  • 906384 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9141-2)
  • 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)
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