{"id":"CVE-2023-33046","aliases":["EUVD-2023-37235","GHSA-gwh8-v9g3-fxxw"],"status":"published","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in Trusted Execution Environment","description":"Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.","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":"2026-11-12","score":0.00082,"percentile":0.00192,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367","CWE-787"],"published":"2024-02-06T05:46:57Z","modified":"2026-06-17T06:00:32Z","products":[{"vendor":"qualcomm","product":"ar8035_firmware"},{"vendor":"qualcomm","product":"fastconnect_6900_firmware"},{"vendor":"qualcomm","product":"fastconnect_7800_firmware"},{"vendor":"qualcomm","product":"flight_rb5_5g_platform_firmware"},{"vendor":"qualcomm","product":"qam8295p_firmware"},{"vendor":"qualcomm","product":"qca6391_firmware"},{"vendor":"qualcomm","product":"qca6574au_firmware"},{"vendor":"qualcomm","product":"qca6595_firmware"},{"vendor":"qualcomm","product":"qca6696_firmware"},{"vendor":"qualcomm","product":"qca6698aq_firmware"},{"vendor":"qualcomm","product":"qca8081_firmware"},{"vendor":"qualcomm","product":"qca8337_firmware"},{"vendor":"qualcomm","product":"qcm8550_firmware"},{"vendor":"qualcomm","product":"qcn6024_firmware"},{"vendor":"qualcomm","product":"qcn9011_firmware"},{"vendor":"qualcomm","product":"qcn9012_firmware"},{"vendor":"qualcomm","product":"qcn9024_firmware"},{"vendor":"qualcomm","product":"qcs7230_firmware"},{"vendor":"qualcomm","product":"qcs8250_firmware"},{"vendor":"qualcomm","product":"qcs8550_firmware"},{"vendor":"qualcomm","product":"qrb5165m_firmware"},{"vendor":"qualcomm","product":"qrb5165n_firmware"},{"vendor":"qualcomm","product":"robotics_rb5_platform_firmware"},{"vendor":"qualcomm","product":"sa8295p_firmware"},{"vendor":"qualcomm","product":"sa8540p_firmware"},{"vendor":"qualcomm","product":"sa9000p_firmware"},{"vendor":"qualcomm","product":"sg8275p_firmware"},{"vendor":"qualcomm","product":"sm8550p_firmware"},{"vendor":"qualcomm","product":"snapdragon_8\\+_gen_2_mobile_platform_firmware"},{"vendor":"qualcomm","product":"snapdragon_8_gen_2_mobile_platform_firmware"},{"vendor":"qualcomm","product":"snapdragon_8cx_gen_3_compute_platform_firmware"},{"vendor":"qualcomm","product":"snapdragon_ar2_gen_1_platform_firmware"},{"vendor":"qualcomm","product":"snapdragon_x65_5g_modem-rf_system_firmware"},{"vendor":"qualcomm","product":"snapdragon_x70_modem-rf_system_firmware"},{"vendor":"qualcomm","product":"ssg2115p_firmware"},{"vendor":"qualcomm","product":"ssg2125p_firmware"},{"vendor":"qualcomm","product":"sxr1230p_firmware"},{"vendor":"qualcomm","product":"sxr2230p_firmware"},{"vendor":"qualcomm","product":"video_collaboration_vc5_platform_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcd9385_firmware"},{"vendor":"qualcomm","product":"wcd9390_firmware"},{"vendor":"qualcomm","product":"wcd9395_firmware"},{"vendor":"qualcomm","product":"wsa8830_firmware"},{"vendor":"qualcomm","product":"wsa8832_firmware"},{"vendor":"qualcomm","product":"wsa8835_firmware"},{"vendor":"qualcomm","product":"wsa8840_firmware"},{"vendor":"qualcomm","product":"wsa8845_firmware"},{"vendor":"qualcomm","product":"wsa8845h_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33046"},{"url":"https://github.com/advisories/GHSA-gwh8-v9g3-fxxw"}],"sources":{"cve":[{"id":"CVE-2023-33046","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in Trusted Execution Environment","description":"Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.","status":"published","published":"2024-02-06T05:46:57.784Z","modified":"2025-06-17T21:29:25.937Z","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"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-37235","description":"Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.","status":"published","published":"2024-02-06T05:46:57Z","modified":"2025-06-17T21:29:25Z","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":"2026-11-02T20:32:20.512078Z"}],"ghsa":[{"id":"GHSA-gwh8-v9g3-fxxw","title":"Memory corruption in Trusted Execution Environment while deinitializing an object used for...","description":"Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.","status":"published","published":"2024-02-06T06:30:30Z","modified":"2026-03-16T05:04:01Z","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"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:06:38.115187Z"}],"nvd":[{"id":"CVE-2023-33046","description":"Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.","status":"published","published":"2024-02-06T06:15:58.807Z","modified":"2026-06-17T06:00:32.803Z","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"}],"cwes":["CWE-367","CWE-787"],"updated_at":"2026-11-02T14:09:04.527564Z"}]}}