CVE-2022-41686: Out-of-bound memory read and write in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The proc ...

Published Oct 14, 2022
·
Updated

OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have an Out-of-bound memory read and write vulnerability in /dev/mmzuserdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The processes with system user UID run on the device would be able to write out-of-bound memory which could lead to unspecified memory corruption.

Affected Software

3 affected components
OpenHarmony OpenHarmony>=3.0<=3.0.6
Openatom Openharmony>=3.1<=3.1.2
OpenHarmony OpenHarmony>=3.1<=3.1.2

Event History

Oct 14, 2022
CVE Published
via MITRE·02:40 PM
Data Sourced
via MITRE·02:40 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2022-41686?

CVE-2022-41686 is a vulnerability in OpenHarmony-v3.1.2 and prior versions, as well as 3.0.6 and prior versions, that allows for an out-of-bound memory read and write in the /dev/mmz_userdev device driver.

2

What is the impact of CVE-2022-41686?

The impact of CVE-2022-41686 depends on the attacker's privileges, as an unprivileged process on the device could read out-of-bound memory, potentially leading to sensitive information disclosure.

3

What is the severity of CVE-2022-41686?

The severity of CVE-2022-41686 is medium, with a CVSS score of 4.4.

4

How can I fix CVE-2022-41686?

To fix CVE-2022-41686, users should update to OpenHarmony version 3.1.3 or later, or version 3.0.7 or later, which contain the necessary patches and fixes for this vulnerability.

5

Where can I find more information about CVE-2022-41686?

More information about CVE-2022-41686 can be found at the following reference: https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-10.md

Contact

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