CVE-2024-38404

CVE-2024-38404 is a vulnerability that triggers a transient denial-of-service (DoS) condition in modems upon receipt of a registration accept Over-The-Air (OTA) message containing incorrect ciphering key data Information Element (IE). It affects Qualcomm modem components and is associated with CWE-126 (Buffer Over-read) and CWE-125 (Out-of-bounds Read). The issue was published on 2025-02-03 with a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), highlighting its high availability impact without affecting confidentiality or integrity.

Remote attackers can exploit this vulnerability over the network with low complexity, no required privileges, and no user interaction. Successful exploitation results in a transient DoS, temporarily disrupting modem operations such as connectivity or processing.

The Qualcomm February 2025 security bulletin at https://docs.qualcomm.com/product/publicresources/securitybulletin/february-2025-bulletin.html provides details on mitigation, including affected products and available patches.