SARA / Free Tools / CVE / CVE-2022-42754

CVE-2022-42754 — In npu driver, there is a memory corruption due to a use after free

In npu driver, there is a memory corruption due to a use after free. This could lead to local denial of service in kernel.

CVSS

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EPSS

0.02% (top 96.70%)

CWE

CWE-416

Published

2022-12-06T00:00:00.000Z

Last modified

2025-04-23T19:28:52.691Z

CVSS vector

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01What is this vulnerability?

In npu driver, there is a memory corruption due to a use after free. This could lead to local denial of service in kernel.

Vendor	Product	Versions
Unisoc (Shanghai) Technologies Co., Ltd.	SC9863A/SC9832E/SC7731E/T610/T310/T606/T760/T610/T618/T606/T612/T616/T760/T770/T820/S8000	Android10/Android11/Android12

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

www.unisoc.com — https://www.unisoc.com/en_us/secy/announcementDetail/1599588060988411006

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