Linux Kernel cgroups Subsystem cgroup-v1.c cgroup_release_agent_write improper authentication

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been classified as critical. Affected is the function cgroup_release_agent_write of the file kernel/cgroup/cgroup-v1.c of the component cgroups Subsystem. The manipulation leads to improper authentication.
This vulnerability is documented as CVE-2022-0492. There is not any exploit available.
To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Linux Kernel (Operating System) (unknown version) and classified as critical. This issue affects the function cgroup_release_agent_write of the file kernel/cgroup/cgroup-v1.c of the component cgroups Subsystem. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.
The weakness was released 03/04/2022. It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-0492 since 02/04/2022. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 236676 (Alibaba Cloud Linux 3 : 0029: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0029)), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the databases at Tenable (236676) and EUVD (EUVD-2022-15629). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236676
Nessus Name: Alibaba Cloud Linux 3 : 0029: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0029)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
02/04/2022 🔍03/04/2022 🔍
03/04/2022 🔍
03/28/2026 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-0492 (🔍)
GCVE (CVE): GCVE-0-2022-0492
GCVE (VulDB): GCVE-100-194171
EUVD: 🔍
Entry
Created: 03/04/2022 07:52Updated: 03/28/2026 13:16
Changes: 03/04/2022 07:52 (41), 03/06/2022 10:01 (1), 03/06/2022 10:03 (1), 05/18/2025 15:20 (16), 03/28/2026 13:16 (1)
Complete: 🔍
Cache ID: 216:655:103
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