Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2022-0492

Disclosure Date: March 03, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

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.

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • fedoraproject,
  • linux,
  • netapp,
  • redhat

Products

  • codeready linux builder 8.0,
  • codeready linux builder 8.2,
  • codeready linux builder for power little endian 8.0,
  • codeready linux builder for power little endian 8.2,
  • debian linux 10.0,
  • debian linux 11.0,
  • debian linux 9.0,
  • enterprise linux 8.0,
  • enterprise linux eus 8.2,
  • enterprise linux for ibm z systems 8.0,
  • enterprise linux for ibm z systems eus 8.0,
  • enterprise linux for power little endian 8.0,
  • enterprise linux for power little endian eus 8.0,
  • enterprise linux for real time for nfv tus 8.0,
  • enterprise linux for real time for nfv tus 8.2,
  • enterprise linux for real time tus 8.0,
  • enterprise linux for real time tus 8.2,
  • enterprise linux server aus 8.2,
  • enterprise linux server for power little endian update services for sap solutions 8.1,
  • enterprise linux server for power little endian update services for sap solutions 8.2,
  • enterprise linux server tus 8.2,
  • enterprise linux server update services for sap solutions 8.1,
  • enterprise linux server update services for sap solutions 8.2,
  • fedora 35,
  • h300e -,
  • h300s -,
  • h410c -,
  • h410s -,
  • h500e -,
  • h500s -,
  • h700e -,
  • h700s -,
  • hci compute node -,
  • linux kernel,
  • linux kernel 5.17,
  • solidfire & hci management node -,
  • solidfire, enterprise sds & hci storage node -,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04,
  • ubuntu linux 20.04,
  • ubuntu linux 22.04,
  • virtualization host 4.0

References

Exploit
The following exploit POCs have not been verified by Rapid7 researchers, but are sourced from: nomi-sec/PoC-in-GitHub.
Additional sources will be added here as they become relevant.
Notes: We will only add the top 3 POCs for a given CVE. POCs added here must have at least 2 GitHub stars.

Additional Info

Technical Analysis