{"id":"CVE-2016-8440","aliases":["EUVD-2016-9288","GHSA-gxfv-4j87-2g8p"],"status":"published","title":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system...","description":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02196,"percentile":0.82601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2017-01-12T20:00:00Z","modified":"2026-06-17T00:54:22Z","products":[{"vendor":"google","product":"android"},{"vendor":"google inc.","product":"android"},{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://source.android.com/security/bulletin/2017-01-01.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/95227","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-8440"},{"url":"https://github.com/advisories/GHSA-gxfv-4j87-2g8p"}],"sources":{"cve":[{"id":"CVE-2016-8440","description":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.","status":"published","published":"2017-01-12T20:00:00Z","modified":"2024-08-06T02:20:31.34Z","updated_at":"2026-11-02T14:33:32.724067Z"}],"euvd":[{"id":"EUVD-2016-9288","description":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.","status":"published","published":"2017-01-12T20:00:00Z","modified":"2024-08-06T02:20:31Z","updated_at":"2026-11-03T02:22:30.514382Z"}],"ghsa":[{"id":"GHSA-gxfv-4j87-2g8p","title":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system...","description":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.","status":"published","published":"2022-05-17T03:03:06Z","modified":"2023-01-27T05:07:15Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:05.020647Z"}],"nvd":[{"id":"CVE-2016-8440","description":"Possible buffer overflow in SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.","status":"published","published":"2017-01-12T20:59:00.857Z","modified":"2026-06-17T00:54:22.243Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:33.686843Z"}]}}