5.5

CVE-2022-49832: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2022-49832DEBIAN-CVE-2022-49832
Published 01-05-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2022-49832 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7
SUSE-SU-2025:01918-1SUSE-SU-2025:01966-1SUSE-SU-2025:01982-1SUSE-SU-2025:01983-1SUSE-SU-2025:01995-1SUSE-SU-2025:02173-1

Timeline

  1. 01-05-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu113 products
  • linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < aaf552c5d53abe4659176e099575fe870d2e4768 | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < b4d9f55cd38435358bc16d580612bc0d798d7b4c | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < a988dcd3dd9e691c5ccc3324b209688f3b5453e9 | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < 040f726fecd88121f3b95e70369785ad452dddf9 | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < 777430aa4ddccaa5accec6db90ffc1d47f00d471 | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < 97e5b508e96176f1a73888ed89df396d7041bfcb | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < 5834a3a98cd266ad35a229923c0adbd0addc8d68 | ≥ 57291ce295c0aca738dd284c4a9c591c09ebee71, < 91d5c5060ee24fe8da88cd585bb43b843d2f0dce | 3.5
  • linux_kernel≥ 3.5, < 4.9.334 | ≥ 4.10, < 4.14.300 | ≥ 4.15, < 4.19.267 | ≥ 4.20, < 5.4.225 | ≥ 5.5, < 5.10.156 | ≥ 5.11, < 5.15.80 | ≥ 5.16, < 6.0.10 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5
Debian1 product
  • linux< 6.0.10-1

3 vendors · 116 products

References

12 links
Show all 12 references