Linux Kernel up to 5.11.10 net/qrtr/qrtr.c qrtr_recvmsg uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.11.10. It has been classified as problematic. Impacted is the function qrtr_recvmsg of the file net/qrtr/qrtr.c. Performing a manipulation results in uninitialized pointer. This vulnerability was named CVE-2021-29647. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.11.10 (Operating System). It has been classified as problematic. This affects the function qrtr_recvmsg of the file net/qrtr/qrtr.c. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. This is going to have an impact on confidentiality.

The weakness was presented 03/31/2021. It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2021-29647. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.11.11 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.11.11
Patch: git.kernel.org

Timelineinfo

03/30/2021 🔍
03/31/2021 +1 days 🔍
03/31/2021 +0 days 🔍
04/07/2021 +7 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2021-29647 (🔍)
GCVE (CVE): GCVE-0-2021-29647
GCVE (VulDB): GCVE-100-172023

Entryinfo

Created: 03/31/2021 08:20
Updated: 04/07/2021 10:23
Changes: 03/31/2021 08:20 (42), 04/07/2021 10:18 (5), 04/07/2021 10:23 (18)
Complete: 🔍
Cache ID: 216::103

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