CVE-2021-47446

drm/msm/a4xx: fix error handling in a4xx_gpu_init()

Severity Score

7.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/a4xx: corrige el manejo de errores en a4xx_gpu_init() Este código devuelve 1 en caso de error en lugar de un error negativo. Conduce a un Ups en la persona que llama. Un segundo problema es que la verificación de "if (ret! = -ENODATA)" no puede ser verdadera porque "ret" está establecido en 1.

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.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-21 CVE Reserved
2024-05-22 CVE Published
2024-12-19 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source
https://git.kernel.org/stable/c/5785dd7a8ef0de8049f40a1a109de6a1bf17b479	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/3962d626eb3e3b23ebb2e2a61537fa764acbfe11	2021-10-20
https://git.kernel.org/stable/c/980d74e7d03ccf2eaa11d133416946bd880c7c08	2021-10-12

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.11 < 5.14.14 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.14.14"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.11 < 5.15 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15"		en		Affected