{"id":"CVE-2016-9120","details":"Race condition in the ion_ioctl function in drivers/staging/android/ion/ion.c in the Linux kernel before 4.6 allows local users to gain privileges or cause a denial of service (use-after-free) by calling ION_IOC_FREE on two CPUs at the same time.","modified":"2026-03-12T22:28:49.662960Z","published":"2016-12-08T21:59:02.443Z","related":["MGASA-2017-0136","MGASA-2017-0147","MGASA-2017-0148"],"references":[{"type":"ADVISORY","url":"http://source.android.com/security/bulletin/2016-12-01.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94669"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-9120.json","unresolved_ranges":[{"events":[{"introduced":"3.14"},{"fixed":"3.16.40"}]},{"events":[{"introduced":"3.17"},{"fixed":"3.18.51"}]},{"events":[{"introduced":"3.19"},{"fixed":"4.1.41"}]},{"events":[{"introduced":"4.2"},{"fixed":"4.4.65"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.6"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}