{"id":"CVE-2021-35115","aliases":["EUVD-2021-21759","GHSA-jvq8-92c5-22jw"],"status":"published","title":"Improper handling of multiple session supported by PVM backend can lead to use after free in...","description":"Improper handling of multiple session supported by PVM backend can lead to use after free in Snapdragon Auto, Snapdragon Mobile","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00179,"percentile":0.07467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2022-04-01T04:40:44Z","modified":"2026-06-17T03:57:13Z","products":[{"vendor":"qualcomm","product":"apq8096au_firmware"},{"vendor":"qualcomm","product":"ar6003_firmware"},{"vendor":"qualcomm","product":"mdm8215_firmware"},{"vendor":"qualcomm","product":"mdm8215m_firmware"},{"vendor":"qualcomm","product":"mdm8615m_firmware"},{"vendor":"qualcomm","product":"mdm9215_firmware"},{"vendor":"qualcomm","product":"mdm9310_firmware"},{"vendor":"qualcomm","product":"mdm9615_firmware"},{"vendor":"qualcomm","product":"mdm9615m_firmware"},{"vendor":"qualcomm","product":"msm8996au_firmware"},{"vendor":"qualcomm","product":"qca6564a_firmware"},{"vendor":"qualcomm","product":"qca6564au_firmware"},{"vendor":"qualcomm","product":"qca6574a_firmware"},{"vendor":"qualcomm","product":"qca6574au_firmware"},{"vendor":"qualcomm","product":"qca6584au_firmware"},{"vendor":"qualcomm","product":"qca6696_firmware"},{"vendor":"qualcomm","product":"sa6145p_firmware"},{"vendor":"qualcomm","product":"sa6150p_firmware"},{"vendor":"qualcomm","product":"sa6155p_firmware"},{"vendor":"qualcomm","product":"sa8145p_firmware"},{"vendor":"qualcomm","product":"sa8150p_firmware"},{"vendor":"qualcomm","product":"sa8155p_firmware"},{"vendor":"qualcomm","product":"sa8195p_firmware"},{"vendor":"qualcomm","product":"sa8540p_firmware"},{"vendor":"qualcomm","product":"sa9000p_firmware"},{"vendor":"qualcomm","product":"sdx55_firmware"},{"vendor":"qualcomm","product":"sdx55m_firmware"},{"vendor":"qualcomm","product":"wcd9341_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon auto, snapdragon mobile"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35115"},{"url":"https://github.com/advisories/GHSA-jvq8-92c5-22jw"}],"sources":{"cve":[{"id":"CVE-2021-35115","description":"Improper handling of multiple session supported by PVM backend can lead to use after free in Snapdragon Auto, Snapdragon Mobile","status":"published","published":"2022-04-01T04:40:44Z","modified":"2024-08-04T00:33:50.623Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21759","description":"Improper handling of multiple session supported by PVM backend can lead to use after free in Snapdragon Auto, Snapdragon Mobile","status":"published","published":"2022-04-01T04:40:44Z","modified":"2024-08-04T00:33:50Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:30.986651Z"}],"ghsa":[{"id":"GHSA-jvq8-92c5-22jw","title":"Improper handling of multiple session supported by PVM backend can lead to use after free in...","description":"Improper handling of multiple session supported by PVM backend can lead to use after free in Snapdragon Auto, Snapdragon Mobile","status":"published","published":"2022-04-02T00:00:15Z","modified":"2023-01-27T05:01:15Z","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-416"],"updated_at":"2026-11-02T14:41:51.095902Z"}],"nvd":[{"id":"CVE-2021-35115","description":"Improper handling of multiple session supported by PVM backend can lead to use after free in Snapdragon Auto, Snapdragon Mobile","status":"published","published":"2022-04-01T05:15:07.68Z","modified":"2026-06-17T03:57:13.73Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}