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Vulnerability record · CVE-2021-1968 · published 20 October 2021

CVE-2021-1968: Qualcomm aqt1000 firmware improper input validation vulnerability

Qualcomm · Aqt1000 Firmware

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

5.5 CVSS 3.1 Medium EPSS 0.17% · top 93.8% CWE-20 · Improper input validation
5.5CVSS 3.1 base score, v2 2.1
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
62Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html
https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin PatchVendor Advisory
http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html
https://www.qualcomm.com/company/product-security/bulletins/october-2021-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-2021-1968), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.