{"cve":"CVE-2021-1968","nvd":{"published":"2021-10-20T07:15:07.847","modified":"2026-06-17T03:33:03.650","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-20"],"references":["http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html","https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin","http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html","https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin"],"products":["qualcomm:aqt1000_firmware","qualcomm:ar8031_firmware","qualcomm:ar8035_firmware","qualcomm:csra6620_firmware","qualcomm:csra6640_firmware","qualcomm:fsm10055_firmware","qualcomm:fsm10056_firmware","qualcomm:mdm9150_firmware","qualcomm:qca6391_firmware","qualcomm:qca6420_firmware","qualcomm:qca6430_firmware","qualcomm:qca6574_firmware","qualcomm:qca6574a_firmware","qualcomm:qca6574au_firmware","qualcomm:qca6584au_firmware","qualcomm:qca6595_firmware","qualcomm:qca6595au_firmware","qualcomm:qca6696_firmware","qualcomm:qca8337_firmware","qualcomm:qcm6125_firmware","qualcomm:qcs405_firmware","qualcomm:qcs410_firmware","qualcomm:qcs610_firmware","qualcomm:qcs6125_firmware","qualcomm:sa6145p_firmware","qualcomm:sa6150p_firmware","qualcomm:sa6155_firmware","qualcomm:sa6155p_firmware","qualcomm:sa8145p_firmware","qualcomm:sa8150p_firmware","qualcomm:sa8155_firmware","qualcomm:sa8155p_firmware","qualcomm:sa8195p_firmware","qualcomm:sd665_firmware","qualcomm:sd675_firmware","qualcomm:sd678_firmware","qualcomm:sd720g_firmware","qualcomm:sd855_firmware","qualcomm:sd_675_firmware","qualcomm:sd_8c_firmware","qualcomm:sd_8cx_firmware","qualcomm:sda429w_firmware","qualcomm:sdx55_firmware","qualcomm:sdx55m_firmware","qualcomm:sm6250_firmware","qualcomm:wcd9335_firmware","qualcomm:wcd9340_firmware","qualcomm:wcd9341_firmware","qualcomm:wcd9370_firmware","qualcomm:wcd9375_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-1968","score":0.00174,"percentile":0.06895,"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."]}