{"cve":"CVE-2025-21456","nvd":{"published":"2025-08-06T08:15:26.860","modified":"2026-06-17T08:43:28.970","status":"Analyzed","description":"Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html"],"products":["qualcomm:ar8035_firmware","qualcomm:c-v2x_9150_firmware","qualcomm:fastconnect_6900_firmware","qualcomm:fastconnect_7800_firmware","qualcomm:qam8255p_firmware","qualcomm:qam8295p_firmware","qualcomm:qam8650p_firmware","qualcomm:qam8775p_firmware","qualcomm:qca6174a_firmware","qualcomm:qca6574au_firmware","qualcomm:qca6584au_firmware","qualcomm:qca6696_firmware","qualcomm:qca6698aq_firmware","qualcomm:qca6797aq_firmware","qualcomm:qca8081_firmware","qualcomm:qca8337_firmware","qualcomm:qcc710_firmware","qualcomm:qcn6224_firmware","qualcomm:qcn6274_firmware","qualcomm:qcs410_firmware","qualcomm:qcs610_firmware","qualcomm:qfw7114_firmware","qualcomm:qfw7124_firmware","qualcomm:sa6145p_firmware","qualcomm:sa6150p_firmware","qualcomm:sa6155p_firmware","qualcomm:sa7255p_firmware","qualcomm:sa7775p_firmware","qualcomm:sa8145p_firmware","qualcomm:sa8150p_firmware","qualcomm:sa8155p_firmware","qualcomm:sa8195p_firmware","qualcomm:sa8255p_firmware","qualcomm:sa8295p_firmware","qualcomm:sa8530p_firmware","qualcomm:sa8540p_firmware","qualcomm:sa8620p_firmware","qualcomm:sa8650p_firmware","qualcomm:sa8775p_firmware","qualcomm:sa9000p_firmware","qualcomm:snapdragon_888\\+_5g_mobile_platform_\\(sm8350-ac\\)_firmware","qualcomm:snapdragon_888_5g_mobile_platform_firmware","qualcomm:snapdragon_auto_5g_modem-rf_gen_2_firmware","qualcomm:snapdragon_w5\\+_gen_1_wearable_platform_firmware","qualcomm:snapdragon_x72_5g_modem-rf_system_firmware","qualcomm:snapdragon_x75_5g_modem-rf_system_firmware","qualcomm:sw5100_firmware","qualcomm:sw5100p_firmware","qualcomm:video_collaboration_vc1_platform_firmware","qualcomm:video_collaboration_vc3_platform_firmware"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-21456","score":0.00093,"percentile":0.00549,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}