Linux Kernel up to 5.17-rc5 MCTP Subsystem mctp-serial.c cancel_work_sync cleanup

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.17-rc5. Impacted is the function cancel_work_sync of the file mctp-serial.c of the component MCTP Subsystem. Performing a manipulation results in cleanup. This vulnerability is identified as CVE-2022-0646. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.17-rc5 (Operating System). This affects the function cancel_work_sync of the file mctp-serial.c of the component MCTP Subsystem. The manipulation with an unknown input leads to a cleanup vulnerability. CWE is classifying the issue as CWE-459. The product does not properly "clean up" and remove temporary or supporting resources after they have been used. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/18/2022. The advisory is shared at lore.kernel.org. This vulnerability is uniquely identified as CVE-2022-0646 since 02/16/2022. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 246647 (Linux Distros Unpatched Vulnerability : CVE-2022-0646), 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 lore.kernel.org.

The vulnerability is also documented in the vulnerability database at Tenable (246647). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Cleanup
CWE: CWE-459
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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Nessus ID: 246647
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-0646

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

02/16/2022 🔍
02/18/2022 +2 days 🔍
02/18/2022 +0 days 🔍
08/09/2025 +1268 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2022-0646 (🔍)
GCVE (CVE): GCVE-0-2022-0646
GCVE (VulDB): GCVE-100-193341

Entryinfo

Created: 02/18/2022 20:30
Updated: 08/09/2025 18:07
Changes: 02/18/2022 20:30 (42), 08/09/2025 18:07 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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