CVE-2021-4154

Summary

CVECVE-2021-4154
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-02-04 23:15:00 UTC
Updated2023-01-19 15:53:00 UTC
DescriptionA use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.14 - All All
Operating System Linux Linux Kernel 5.14 rc1 All All
Application Netapp Hci Baseboard Management Controller h300e All All All
Application Netapp Hci Baseboard Management Controller h300s All All All
Application Netapp Hci Baseboard Management Controller h410s All All All
Application Netapp Hci Baseboard Management Controller h500e All All All
Application Netapp Hci Baseboard Management Controller h500s All All All
Application Netapp Hci Baseboard Management Controller h700e All All All
Application Netapp Hci Baseboard Management Controller h700s All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Redhat Virtualization 4.0 All All All

References

ReferenceSourceLinkTags
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
2034514 – (CVE-2021-4154) CVE-2021-4154 kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout MISC bugzilla.redhat.com
Security bulletins  |  Anthos clusters  |  Google Cloud MISC cloud.google.com
CVE-2021-4154 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159700 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-0825)
  • 179719 Debian Security Update for linux (CVE-2021-4154)
  • 240013 Red Hat Update for kernel-rt (RHSA-2022:0187)
  • 240015 Red Hat Update for kernel security (RHSA-2022:0186)
  • 240024 Red Hat Update for kpatch-patch (RHSA-2022:0231)
  • 240128 Red Hat Update for kernel security (RHSA-2022:0825)
  • 240130 Red Hat Update for kernel-rt (RHSA-2022:0819)
  • 240144 Red Hat Update for kpatch-patch (RHSA-2022:0849)
  • 610417 Google Android Devices June 2022 Security Patch Missing
  • 610422 Google Android July 2022 Security Patch Missing for Huawei EMUI
  • 610423 Google Android July 2022 Security Patch Missing for Samsung
  • 752126 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1687-1)
  • 753118 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 3 for SLE 15 SP3) (SUSE-SU-2022:0295-1)
  • 753121 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 17 for SLE 15 SP2) (SUSE-SU-2022:0241-1)
  • 753176 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1676-1)
  • 753211 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 11 for SLE 15 SP2) (SUSE-SU-2022:0291-1)
  • 753268 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 15 for SLE 15 SP2) (SUSE-SU-2022:0254-1)
  • 753292 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (SUSE-SU-2022:0293-1)
  • 753299 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1669-1)
  • 753369 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 13 for SLE 15 SP2) (SUSE-SU-2022:0292-1)
  • 753385 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (SUSE-SU-2022:0257-1)
  • 900647 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8493)
  • 906219 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8493-1)
  • 940463 AlmaLinux Security Update for kernel (ALSA-2022:0825)
  • 960782 Rocky Linux Security Update for kernel-rt (RLSA-2022:0819)
  • 960805 Rocky Linux Security Update for kernel (RLSA-2022:0825)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report