Qualcomm Snapdragon Compute Array Index use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Qualcomm Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT and Snapdragon Mobile. This affects an unknown function of the component Array Index Handler. The manipulation results in use after free. This vulnerability is known as CVE-2021-35121. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Qualcomm Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT and Snapdragon Mobile (Chip Software) (unknown version). Affected is an unknown code block of the component Array Index Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

The weakness was published 06/15/2022. The advisory is available at qualcomm.com. This vulnerability is traded as CVE-2021-35121 since 06/21/2021. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (Qualcomm, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 🔍

Timelineinfo

06/21/2021 🔍
06/15/2022 +359 days 🔍
06/15/2022 +0 days 🔍
06/17/2022 +2 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed

CVE: CVE-2021-35121 (🔍)
GCVE (CVE): GCVE-0-2021-35121
GCVE (VulDB): GCVE-100-201990

Entryinfo

Created: 06/15/2022 12:18
Updated: 06/17/2022 15:30
Changes: 06/15/2022 12:18 (39), 06/17/2022 15:30 (11)
Complete: 🔍
Cache ID: 216::103

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