CVE-2022-49832

MEDIUM EPSS 7.6%
Published May 1, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
7.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 12

VendorProductVersionRange
linuxlinux_kernel*≥3.5  –  <4.9.334
linuxlinux_kernel*≥4.10  –  <4.14.300
linuxlinux_kernel*≥4.15  –  <4.19.267
linuxlinux_kernel*≥4.20  –  <5.4.225
linuxlinux_kernel*≥5.5  –  <5.10.156
linuxlinux_kernel*≥5.11  –  <5.15.80
linuxlinux_kernel*≥5.16  –  <6.0.10
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
    Patch