CVE-2021-34406 : NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointe

NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointer dereference, which may lead to a system reboot.

Published 2022-01-18 18:15:08

Updated 2022-01-25 15:40:58

Source NVIDIA Corporation

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-34406

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-34406

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.7	MEDIUM	AV:L/AC:M/Au:N/C:N/I:N/A:C	3.4	6.9	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
4.7	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	1.0	3.6	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
4.7	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	1.0	3.6	NVIDIA Corporation
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-34406

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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.

Assigned by: nvd@nist.gov (Primary)

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by:

nvd@nist.gov (Primary)
psirt@nvidia.com (Secondary)

Products affected by CVE-2021-34406

Nvidia » Shield Experience
Versions before (<) 9.0
cpe:2.3:a:nvidia:shield_experience:*:*:*:*:*:*:*:*
Matching versions
When used together with: Google » Android » Version: N/A

Vulnerability Details : CVE-2021-34406

Exploit prediction scoring system (EPSS) score for CVE-2021-34406

CVSS scores for CVE-2021-34406

CWE ids for CVE-2021-34406

References for CVE-2021-34406

Products affected by CVE-2021-34406