VDB-190688 · CVE-2021-34406 · GCVE-0-2021-34406

NVIDIA Shield TV Tegra Kernel Driver null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in NVIDIA Shield TV. This vulnerability affects unknown code of the component Tegra Kernel Driver. Such manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2021-34406. The attack must be carried out locally. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in NVIDIA Shield TV (affected version unknown) and classified as problematic. Affected by this issue is an unknown functionality of the component Tegra Kernel Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was presented 01/19/2022. The advisory is shared for download at nvidia.custhelp.com. This vulnerability is handled as CVE-2021-34406 since 06/09/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

NVIDIA

Name

Shield TV

License

commercial

Website

Vendor: https://www.nvidia.com/

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (NVIDIA Corporation): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2021 🔍
01/19/2022 +224 days 🔍
01/19/2022 +0 days 🔍
01/20/2022 +1 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-34406 (🔍)
GCVE (CVE): GCVE-0-2021-34406
GCVE (VulDB): GCVE-100-190688

Entryinfo

Created: 01/19/2022 10:04
Updated: 01/20/2022 14:10
Changes: 01/19/2022 10:04 (47), 01/20/2022 14:10 (2)
Complete: 🔍
Cache ID: 216::103