{"id":"CVE-2021-1921","aliases":["EUVD-2021-7385","GHSA-8wpq-w3g7-g8cr"],"status":"published","title":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent...","description":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00107,"percentile":0.01175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2021-11-12T06:15:40Z","modified":"2026-06-17T03:32:52Z","products":[{"vendor":"qualcomm","product":"aqt1000_firmware"},{"vendor":"qualcomm","product":"qca6390_firmware"},{"vendor":"qualcomm","product":"qca6391_firmware"},{"vendor":"qualcomm","product":"qca6420_firmware"},{"vendor":"qualcomm","product":"qca6421_firmware"},{"vendor":"qualcomm","product":"qca6426_firmware"},{"vendor":"qualcomm","product":"qca6430_firmware"},{"vendor":"qualcomm","product":"qca6431_firmware"},{"vendor":"qualcomm","product":"qca6436_firmware"},{"vendor":"qualcomm","product":"qca6574au_firmware"},{"vendor":"qualcomm","product":"qca6595_firmware"},{"vendor":"qualcomm","product":"qcm6490_firmware"},{"vendor":"qualcomm","product":"qcs6490_firmware"},{"vendor":"qualcomm","product":"qrb5165_firmware"},{"vendor":"qualcomm","product":"qrb5165n_firmware"},{"vendor":"qualcomm","product":"qsm8350_firmware"},{"vendor":"qualcomm","product":"sa6155p_firmware"},{"vendor":"qualcomm","product":"sa8195p_firmware"},{"vendor":"qualcomm","product":"sd675_firmware"},{"vendor":"qualcomm","product":"sd778g_firmware"},{"vendor":"qualcomm","product":"sd780g_firmware"},{"vendor":"qualcomm","product":"sd855_firmware"},{"vendor":"qualcomm","product":"sd865_5g_firmware"},{"vendor":"qualcomm","product":"sd870_firmware"},{"vendor":"qualcomm","product":"sd888_5g_firmware"},{"vendor":"qualcomm","product":"sd_8c_firmware"},{"vendor":"qualcomm","product":"sd_8cx_firmware"},{"vendor":"qualcomm","product":"sdm830_firmware"},{"vendor":"qualcomm","product":"sdx24_firmware"},{"vendor":"qualcomm","product":"sdx55_firmware"},{"vendor":"qualcomm","product":"sdx55m_firmware"},{"vendor":"qualcomm","product":"sdxr2_5g_firmware"},{"vendor":"qualcomm","product":"sm7325_firmware"},{"vendor":"qualcomm","product":"wcd9340_firmware"},{"vendor":"qualcomm","product":"wcd9341_firmware"},{"vendor":"qualcomm","product":"wcd9360_firmware"},{"vendor":"qualcomm","product":"wcd9370_firmware"},{"vendor":"qualcomm","product":"wcd9375_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcd9385_firmware"},{"vendor":"qualcomm","product":"wcn3950_firmware"},{"vendor":"qualcomm","product":"wcn3980_firmware"},{"vendor":"qualcomm","product":"wcn3990_firmware"},{"vendor":"qualcomm","product":"wcn3998_firmware"},{"vendor":"qualcomm","product":"wcn6740_firmware"},{"vendor":"qualcomm","product":"wcn6750_firmware"},{"vendor":"qualcomm","product":"wcn6850_firmware"},{"vendor":"qualcomm","product":"wcn6851_firmware"},{"vendor":"qualcomm","product":"wcn6855_firmware"},{"vendor":"qualcomm","product":"wcn6856_firmware"},{"vendor":"qualcomm","product":"wcn7850_firmware"},{"vendor":"qualcomm","product":"wcn7851_firmware"},{"vendor":"qualcomm","product":"whs9410_firmware"},{"vendor":"qualcomm","product":"wsa8810_firmware"},{"vendor":"qualcomm","product":"wsa8815_firmware"},{"vendor":"qualcomm","product":"wsa8830_firmware"},{"vendor":"qualcomm","product":"wsa8835_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1921"},{"url":"https://github.com/advisories/GHSA-8wpq-w3g7-g8cr"}],"sources":{"cve":[{"id":"CVE-2021-1921","description":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","status":"published","published":"2021-11-12T06:15:40Z","modified":"2024-08-03T16:25:06.403Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-7385","description":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","status":"published","published":"2021-11-12T06:15:40Z","modified":"2024-08-03T16:25:06Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:14.091701Z"}],"ghsa":[{"id":"GHSA-8wpq-w3g7-g8cr","title":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent...","description":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","status":"published","published":"2022-05-24T19:20:34Z","modified":"2023-01-30T05:03:35Z","cwes":["CWE-367"],"updated_at":"2026-11-02T14:46:51.868413Z"}],"nvd":[{"id":"CVE-2021-1921","description":"Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","status":"published","published":"2021-11-12T07:15:06.96Z","modified":"2026-06-17T03:32:52.54Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}
