CVE-2022-48442

Local service interruption via unchecked null dereference

Published Jun 6, 2023 · Updated Jan 7, 2025

NULL pointer dereference in the UNISOC dialer service on Android 10 through Android 13 allows local users to interrupt the service. UNISOC identifies a missing permission check and NULL pointer dereference but does not disclose the affected function or triggering request. No execution privileges or user interaction are required; the published impact is local denial of service, while crash versus hang behavior remains undisclosed.

CVSS severity6.2
Medium
EPSS probability0.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in the UNISOC dialer service on Android 10 through Android 13 allows local users to interrupt the service. UNISOC identifies a missing permission check and NULL pointer dereference but does not disclose the affected function or triggering request. No execution privileges or user interaction are required; the published impact is local denial of service, while crash versus hang behavior remains undisclosed.

The record

CVE
CVE-2022-48442
Published
Jun 6, 2023
Updated
Jan 7, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-476, T1642
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.2UNISOCCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
6.2CISA-ADPCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1642Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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