{"id":"OSV-2021-421","aliases":[],"status":"published","title":"Heap-use-after-free in __cil_verify_classperms","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\n__cil_verify_classperms\n__verify_map_perm_classperms\nhashtab_map\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-20T00:00:20.081676Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"selinux","ranges":[{"type":"GIT","events":[{"introduced":"0451adebdf153eee1f69914141311114a0130982"},{"fixed":"2d35fcc7e9e976a2346b1de20e54f8663e8a6cba"}]}],"versions":["3.2","3.2-rc3","checkpolicy-3.2","checkpolicy-3.2-rc3","libselinux-3.2","libselinux-3.2-rc3","libsemanage-3.2","libsemanage-3.2-rc3","libsepol-3.2","libsepol-3.2-rc3","mcstrans-3.2","mcstrans-3.2-rc3","policycoreutils-3.2","policycoreutils-3.2-rc3","restorecond-3.2","restorecond-3.2-rc3","secilc-3.2","secilc-3.2-rc3","selinux-dbus-3.2","selinux-dbus-3.2-rc3","selinux-gui-3.2","selinux-gui-3.2-rc3","selinux-python-3.2","selinux-python-3.2-rc3","selinux-sandbox-3.2","selinux-sandbox-3.2-rc3","semodule-utils-3.2","semodule-utils-3.2-rc3"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-421","title":"Heap-use-after-free in __cil_verify_classperms","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\n__cil_verify_classperms\n__verify_map_perm_classperms\nhashtab_map\n```\n","status":"published","published":"2021-02-20T00:00:20.081676Z","modified":"2022-04-13T03:04:42.358814Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}