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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 ...

Medium5.1EPSS 0.33%
Published
Updated
Reserved
Assigned by
OpenHarmony

Description

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/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 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.

Timeline

  1. ID reserved

    By OpenHarmony

  2. · 6 days later

    Published

  3. · 3 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-41686, by who scored it
Scored byCVSSScoreVector
OpenHarmonyCNA (assigner)3.1Medium5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVDNVD · Modified3.1Medium4.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.

Weakness

Affected products

  • OpenHarmony · OpenHarmony

    • affected OpenHarmony-v3.1.x-Release – ≤ 3.1.2
    • affected OpenHarmony-v3.0.x-LTS – ≤ 3.0.6

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .