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threads.","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":0.00109,"percentile":0.01255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2025-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/vendor/qcom/opensource/dsp-kernel","fixed_in":["SoCVersion:2025-04-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/vendor/qcom/opensource/dsp-kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2025-04-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"qualcomm","product":"fastconnect_7800_firmware"},{"vendor":"qualcomm","product":"qmp1000_firmware"},{"vendor":"qualcomm","product":"sm8735_firmware"},{"vendor":"qualcomm","product":"sm8750_firmware"},{"vendor":"qualcomm","product":"sm8750p_firmware"},{"vendor":"qualcomm","product":"snapdragon_8_gen_3_mobile_platform_firmware"},{"vendor":"qualcomm","product":"snapdragon_w5\\+_gen_1_wearable_platform_firmware"},{"vendor":"qualcomm","product":"sw5100_firmware"},{"vendor":"qualcomm","product":"sw5100p_firmware"},{"vendor":"qualcomm","product":"sxr2330p_firmware"},{"vendor":"qualcomm","product":"wcd9378_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcd9390_firmware"},{"vendor":"qualcomm","product":"wcd9395_firmware"},{"vendor":"qualcomm","product":"wcn7750_firmware"},{"vendor":"qualcomm","product":"wcn7860_firmware"},{"vendor":"qualcomm","product":"wcn7861_firmware"},{"vendor":"qualcomm","product":"wcn7880_firmware"},{"vendor":"qualcomm","product":"wcn7881_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://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21436"},{"url":"https://github.com/advisories/GHSA-v97v-vwrw-5r2q"},{"url":"https://source.android.com/security/bulletin/2025-04-01","tags":["advisory"]},{"url":"https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/dsp-kernel/-/commit/d773536ae72f899be041e8e4683d0270de20f3b5","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2025-21436","title":"Use After Free in DSP Service","description":"Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different 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