Linux Kernel prior 6.0-rc1 DPT I2O Controller toctou

CVSS Meta Temp Score
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CTI Interest Score
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2.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been declared as problematic. The affected element is an unknown function of the component DPT I2O Controller. The manipulation results in toctou. This vulnerability is cataloged as CVE-2023-2007. The attack must be initiated from a local position. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System). It has been classified as problematic. Affected is some unknown processing of the component DPT I2O Controller. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality.

The weakness was shared 04/14/2023. The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2023-2007 since 04/12/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 6.0-rc1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b04e75a4a8a81887386a0d2dbf605a48e779d2a0 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source 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: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
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: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.0-rc1
Patch: b04e75a4a8a81887386a0d2dbf605a48e779d2a0

Timelineinfo

04/12/2023 🔍
04/14/2023 +2 days 🔍
04/14/2023 +0 days 🔍
04/30/2023 +16 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: b04e75a4a8a81887386a0d2dbf605a48e779d2a0
Status: Confirmed

CVE: CVE-2023-2007 (🔍)
GCVE (CVE): GCVE-0-2023-2007
GCVE (VulDB): GCVE-100-225924

Entryinfo

Created: 04/14/2023 09:15
Updated: 04/30/2023 16:39
Changes: 04/14/2023 09:15 (42), 04/30/2023 16:39 (2)
Complete: 🔍
Cache ID: 216::103

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