CVE-2022-49445

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49445
In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: 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/5376e3d904532e657fd7ca1a9b1ff3d351527b90 Patch
https://git.kernel.org/stable/c/5ed0519d425619b435150372cce2ffeec71581fa Patch
https://git.kernel.org/stable/c/e3a1ad8fd0ac11f4fa1260c23b5db71a25473254 Patch
https://git.kernel.org/stable/c/f991879762392c19661af5b722578089a12b305f Patch
https://git.kernel.org/stable/c/fb4f022b3ad1f3ff3cafdbc7d51896090ae17701 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
CWE CWE-476
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: renesas: core: 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.
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/5376e3d904532e657fd7ca1a9b1ff3d351527b90 - () https://git.kernel.org/stable/c/5376e3d904532e657fd7ca1a9b1ff3d351527b90 - Patch
References () https://git.kernel.org/stable/c/5ed0519d425619b435150372cce2ffeec71581fa - () https://git.kernel.org/stable/c/5ed0519d425619b435150372cce2ffeec71581fa - Patch
References () https://git.kernel.org/stable/c/e3a1ad8fd0ac11f4fa1260c23b5db71a25473254 - () https://git.kernel.org/stable/c/e3a1ad8fd0ac11f4fa1260c23b5db71a25473254 - Patch
References () https://git.kernel.org/stable/c/f991879762392c19661af5b722578089a12b305f - () https://git.kernel.org/stable/c/f991879762392c19661af5b722578089a12b305f - Patch
References () https://git.kernel.org/stable/c/fb4f022b3ad1f3ff3cafdbc7d51896090ae17701 - () https://git.kernel.org/stable/c/fb4f022b3ad1f3ff3cafdbc7d51896090ae17701 - Patch

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-2022-49445

Mitre link : CVE-2022-49445

CVE.ORG link : CVE-2022-49445

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference