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Vulnerability record · CVE-2021-35121 · published 14 June 2022

CVE-2021-35121: Qualcomm apq8053 firmware vulnerability

Qualcomm · Apq8053 Firmware

An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

6.7 CVSS 3.1 Medium EPSS 0.15% · top 96.4% CWE-129 · CWE-129
6.7CVSS 3.1 base score, v2 4.6
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
44Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

44 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-35121), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.