CVE-2022-49449

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49449
In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.

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/01f9e02e0f13df3fd291676dc80054e977be1601 Patch
https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e Patch
https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e Patch
https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c Patch
https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b Patch
Configurations

Configuration 1 (hide)

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

17 Mar 2025, 16:12

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: renesas: rzn1: Se corrige la posible eliminación de referencias PTR nulas en sh_pfc_map_resources(). Esto provocará una eliminación de referencias PTR nulas al usar 'res', si platform_get_resource() devuelve NULL, por lo que se debe mover el uso de 'res' después de devm_ioremap_resource() que lo comprobará para evitar la eliminación de referencias PTR nulas. Y se utiliza devm_platform_get_and_ioremap_resource() para simplificar el código.
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601 - () https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601 - Patch
References () https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e - () https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e - Patch
References () https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e - () https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e - Patch
References () https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c - () https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c - Patch
References () https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b - () https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b - Patch
CWE CWE-476

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-17 16:12

NVD link : CVE-2022-49449

Mitre link : CVE-2022-49449

CVE.ORG link : CVE-2022-49449

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference