CVE-2021-46995

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-46995
In the Linux kernel, the following vulnerability has been resolved: can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe When we converted this code to use dev_err_probe() we accidentally removed a return. It means that if devm_clk_get() it will lead to an Oops when we call clk_get_rate() on the next line.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 Patch
https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c Patch
https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 Patch
https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c Patch
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

06 Dec 2024, 14:55

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 - () https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 - Patch
References () https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c - () https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-476

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 - () https://git.kernel.org/stable/c/15f8f96ec7fc35024d4e03296e4d838fcea33d83 -
References () https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c - () https://git.kernel.org/stable/c/4cc7faa406975b460aa674606291dea197c1210c -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: mcp251xfd: mcp251xfd_probe(): corrige una desreferencia de puntero de error en la sonda Cuando convertimos este código para usar dev_err_probe() eliminamos accidentalmente un retorno. Significa que si devm_clk_get() generará un Ups cuando llamemos a clk_get_rate() en la siguiente línea.

28 Feb 2024, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-28 09:15

Updated : 2024-12-06 14:55

NVD link : CVE-2021-46995

Mitre link : CVE-2021-46995

CVE.ORG link : CVE-2021-46995

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference