Linux Kernel KVM insecure default initialization of resource

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel. Affected is an unknown function of the component KVM. Such manipulation leads to insecure default initialization of resource. This vulnerability is referenced as CVE-2022-2196. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (version unknown). It has been rated as critical. Affected by this issue is an unknown function of the component KVM. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. Using CWE to declare the problem leads to CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/09/2023. The advisory is shared for download at kernel.dance. This vulnerability is handled as CVE-2022-2196. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236642 (Alibaba Cloud Linux 3 : 0042: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0042)), 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 vulnerability database at Tenable (236642). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector (Google Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Insecure default initialization of resource
CWE: CWE-1188
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236642
Nessus Name: Alibaba Cloud Linux 3 : 0042: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0042)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

06/24/2022 🔍
01/09/2023 +199 days 🔍
01/09/2023 +0 days 🔍
05/19/2025 +861 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.dance
Status: Confirmed

CVE: CVE-2022-2196 (🔍)
GCVE (CVE): GCVE-0-2022-2196
GCVE (VulDB): GCVE-100-217700

Entryinfo

Created: 01/09/2023 14:54
Updated: 05/19/2025 06:44
Changes: 01/09/2023 14:54 (38), 01/30/2023 14:26 (2), 01/30/2023 14:28 (21), 01/30/2023 14:29 (1), 02/14/2025 02:04 (16), 05/19/2025 06:44 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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