PT-2021-13718 · Qualcomm · Snapdragon Connectivity+7

Published 2021-09-09 · Updated 2021-09-22 · CVE-2021-1974

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Snapdragon Auto (affected versions not specified) Snapdragon Compute (affected versions not specified) Snapdragon Connectivity (affected versions not specified) Snapdragon Consumer IOT (affected versions not specified) Snapdragon Industrial IOT (affected versions not specified) Snapdragon Mobile (affected versions not specified) Snapdragon Wearables (affected versions not specified) Snapdragon Wired Infrastructure and Networking (affected versions not specified)

Description: The issue is related to a possible buffer over read due to a lack of alignment between the map or unmap length of IPA SMMU and WLAN SMMU. This affects various Snapdragon products, including Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Wearables, and Wired Infrastructure and Networking.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1974

Affected Products

Snapdragon Auto

Snapdragon Compute

Snapdragon Connectivity

Snapdragon Consumer Iot

Snapdragon Industrial Iot

Snapdragon Mobile

Snapdragon Wearables

Snapdragon Wired Infrastructure/Networking

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-1974 · Security Note
• https://qualcomm.com/company/product-security/bulletins/september-2021-bulletin · Vendor Advisory
• https://t.me/cibsecurity/28560 · Telegram Post