Linux Kernel Virtio Device Driver drivers/vhost/vdpa.c vhost_vdpa_config_validate integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel. Affected is the function vhost_vdpa_config_validate of the file drivers/vhost/vdpa.c of the component Virtio Device Driver. Performing a manipulation results in integer overflow. This vulnerability is reported as CVE-2022-0998. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (affected version not known). It has been classified as critical. This affects the function vhost_vdpa_config_validate of the file drivers/vhost/vdpa.c of the component Virtio Device Driver. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 03/30/2022. It is possible to read the advisory at lore.kernel.org. This vulnerability is uniquely identified as CVE-2022-0998 since 03/16/2022. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

03/16/2022 🔍
03/30/2022 +13 days 🔍
03/30/2022 +0 days 🔍
04/01/2022 +2 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2022-0998 (🔍)
GCVE (CVE): GCVE-0-2022-0998
GCVE (VulDB): GCVE-100-196107

Entryinfo

Created: 03/30/2022 20:27
Updated: 04/01/2022 16:01
Changes: 03/30/2022 20:27 (41), 04/01/2022 15:55 (1), 04/01/2022 16:01 (1)
Complete: 🔍
Cache ID: 216::103

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