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CVE-2022-0492

HIGH · CVSS 7.8 · Analyzed

Published: 2022-03-03 · Updated: 2026-06-17 · Source: NVD

Vulnerability overview

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

Severity and scoring

CVSS score
7.8 · HIGH
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-287, CWE-862

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Linux · Kernel
Added to catalog
2026-06-02
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA remediation due date
2026-06-05

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

  • cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 2.6.24

    Before (exclusive): 4.9.301

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 4.10

    Before (exclusive): 4.14.266

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 4.15

    Before (exclusive): 4.19.229

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 4.20

    Before (exclusive): 5.4.177

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 5.5

    Before (exclusive): 5.10.97

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 5.11

    Before (exclusive): 5.15.20

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

    From (inclusive): 5.16

    Before (exclusive): 5.16.6

  • cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*

  • cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*

  • cpe:2.3:a:redhat:codeready_linux_builder:8.2:*:*:*:*:*:*:*

  • cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:*:*:*

  • cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.2:*:*:*:*:*:*:*

  • cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.0:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*

  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:*

  • cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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