VDB-265852 · CVE-2021-47446 · Nessus 276407

Linux Kernel up to 5.14.13 a4xx_gpu_init uninitialized resource

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6.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.14.13. It has been declared as problematic. This issue affects the function a4xx_gpu_init. Executing a manipulation can lead to an unknown weakness. This vulnerability is tracked as CVE-2021-47446. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.14.13. The CWE definition for the vulnerability is CWE-908. The product uses or accesses a resource that has not been initialized. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xx_gpu_init() This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" cannot be true because "ret" is set to 1.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2021-47446 since 05/21/2024. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 276407 (TencentOS Server 4: kernel (TSSA-2025:0047)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.14.14 eliminates this vulnerability. Applying the patch 3962d626eb3e/980d74e7d03c 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.

The vulnerability is also documented in the vulnerability database at Tenable (276407). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 276407
Nessus Name: TencentOS Server 4: kernel (TSSA-2025:0047)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.14.14
Patch: 3962d626eb3e/980d74e7d03c

Timelineinfo

05/21/2024 🔍
05/22/2024 +1 days 🔍
05/22/2024 +0 days 🔍
08/08/2026 +808 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2021-47446 (🔍)
GCVE (CVE): GCVE-0-2021-47446
GCVE (VulDB): GCVE-100-265852

Entryinfo

Created: 05/22/2024 09:10
Updated: 08/08/2026 06:49
Changes: 05/22/2024 09:10 (55), 09/25/2025 01:54 (12), 11/22/2025 01:07 (2), 08/08/2026 06:49 (13)
Complete: 🔍
Cache ID: 216::103