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Vulnerability record · CVE-2021-1947 · published 17 September 2021

CVE-2021-1947: Qualcomm apq8009w firmware use after free vulnerability

Qualcomm · Apq8009w Firmware

Use-after-free vulnerability in kernel graphics driver because of storing an invalid pointer in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

7.8 CVSS 3.1 High EPSS 0.16% · top 95.5% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 7.2
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
87Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in kernel graphics driver because of storing an invalid pointer in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin PatchVendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-1947), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.