CVE-2022-47353

System crash via improper vdsp input validation

Published Sep 4, 2023 · Updated Oct 27, 2024

Improper input validation in the Unisoc vdsp device on Android 11 allows local users with System privileges to crash the system. The vdsp device processes unspecified input without adequate validation; Unisoc has not published the field, interface, or faulty operation. Exploitation requires local System-level privileges and causes an availability-only system crash, with no reported data disclosure or modification.

CVSS severity4.4
Medium
EPSS probability0.09%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in the Unisoc vdsp device on Android 11 allows local users with System privileges to crash the system. The vdsp device processes unspecified input without adequate validation; Unisoc has not published the field, interface, or faulty operation. Exploitation requires local System-level privileges and causes an availability-only system crash, with no reported data disclosure or modification.

The record

CVE
CVE-2022-47353
Published
Sep 4, 2023
Updated
Oct 27, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-20, T1642
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 27, 2024Record 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.4CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/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.

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No observations available

Sep 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
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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