Linux Kernel kcm net/kcm/kcmsock.c kcm_tx_work race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel. Impacted is the function kcm_tx_work of the file net/kcm/kcmsock.c of the component kcm. Executing a manipulation can lead to race condition. This vulnerability appears as CVE-2022-3521. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (the affected version unknown) and classified as problematic. This vulnerability affects the function kcm_tx_work of the file net/kcm/kcmsock.c of the component kcm. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect availability.

The weakness was presented 10/16/2022. The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-3521. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), 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 (236648). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.5
NVD Vector: 🔍

CNA Base Score: 2.6
CNA Vector (VulDB): 🔍

CVSSv2info

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

10/16/2022 🔍
10/16/2022 +0 days 🔍
10/16/2022 +0 days 🔍
05/18/2025 +945 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-3521 (🔍)
GCVE (CVE): GCVE-0-2022-3521
GCVE (VulDB): GCVE-100-211018

Entryinfo

Created: 10/16/2022 10:07
Updated: 05/18/2025 21:54
Changes: 10/16/2022 10:07 (39), 10/16/2022 10:08 (1), 11/09/2022 13:16 (2), 11/09/2022 13:22 (19), 05/18/2025 21:54 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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