CVE-2022-49832

MEDIUM

MEDIUM Priority: 0.01 BB Relevance: 36/100

Published: 2025-05-01 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local

AC: Low

PR: Low

UI: None

S: Unchanged

C: None

I: None

A: High

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.

Weakness Classification (1)

CWE-476

Affected Software (15)

Vendor	Product	Version
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < aaf552c5d53abe4659176e099575fe870d2e4768
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < b4d9f55cd38435358bc16d580612bc0d798d7b4c
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < a988dcd3dd9e691c5ccc3324b209688f3b5453e9
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < 040f726fecd88121f3b95e70369785ad452dddf9
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < 777430aa4ddccaa5accec6db90ffc1d47f00d471
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < 97e5b508e96176f1a73888ed89df396d7041bfcb
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < 5834a3a98cd266ad35a229923c0adbd0addc8d68
Linux	Linux	57291ce295c0aca738dd284c4a9c591c09ebee71 < 91d5c5060ee24fe8da88cd585bb43b843d2f0dce
Linux	Linux	3.5
linux	linux_kernel	3.5 – 4.9.334
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1