CVE-2022-20462: Out of Bounds Write in phNxpNciHal_write_unlocked Function in phNxpNciHal.cc in nfc_nci_nxp

platform/hardware/nxp/nfc Updated 02 Oct 2025

Summary

01/11/2022

Disclosed on

CVE-2022-20462

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2022-20462: In phNxpNciHal_write_unlocked of phNxpNciHal.cc, there is a possible out of bounds write due to a missing bounds check. Affects platform/hardware/nxp/nfc across 5 version ranges.

>= 10:0, < 10:2022-11-01 >= 11:0, < 11:2022-11-01 >= 12:0, < 12:2022-11-01 >= 12L:0, < 12L:2022-11-01 >= 13:0, < 13:2022-11-01

Fixed in 10:2022-11-01. How to fix ↓

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Background

The package under scrutiny is platform/hardware/nxp/nfc, which is a component of the Android ecosystem. It is responsible for handling Near Field Communication (NFC) functionality on devices. NFC allows for short-range communication between devices, enabling various applications such as contactless payments and data transfer. This vulnerability affects versions 10 and above of the Android operating system.

Vulnerability Detail

The vulnerability resides in the phNxpNciHal_write_unlocked function in phNxpNciHal.cc file of the nfc_nci_nxp package. It is caused by a missing bounds check, which can result in an out of bounds write. An attacker could exploit this vulnerability to escalate their privileges locally without requiring additional execution privileges. Notably, user interaction is not necessary for exploitation. The impact of this vulnerability could be severe, potentially leading to unauthorized access or control over the affected device.

How To Fix

Minimum fixed version

10:2022-11-01

This is the first release that contains the fix.

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

In conclusion, the phNxpNciHal_write_unlocked function in the nfc_nci_nxp package is vulnerable to an out of bounds write. This vulnerability could allow an attacker to locally escalate their privileges without requiring additional execution privileges. It is crucial to update to a version of the package that includes the fix released on November 1, 2022. For further support on vulnerability remediation, please contact DevNack.com.

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