osv-2021-421
Vulnerability from osv_ossfuzz
Published
2021-02-20 00:00
Modified
2022-04-13 03:04
Summary
Heap-use-after-free in __cil_verify_classperms
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124

Crash type: Heap-use-after-free READ 8
Crash state:
__cil_verify_classperms
__verify_map_perm_classperms
hashtab_map
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "selinux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0451adebdf153eee1f69914141311114a0130982"
            },
            {
              "fixed": "2d35fcc7e9e976a2346b1de20e54f8663e8a6cba"
            }
          ],
          "repo": "https://github.com/SELinuxProject/selinux",
          "type": "GIT"
        }
      ],
      "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"
      ]
    }
  ],
  "details": "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",
  "id": "OSV-2021-421",
  "modified": "2022-04-13T03:04:42.358814Z",
  "published": "2021-02-20T00:00:20.081676Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124"
    }
  ],
  "summary": "Heap-use-after-free in __cil_verify_classperms"
}


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