{"id":"CVE-2018-9151","aliases":["EUVD-2018-20750","GHSA-68wm-7f94-vq2h"],"status":"published","title":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet...","description":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00278,"percentile":0.20347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2018-03-30T19:00:00Z","modified":"2026-06-17T02:06:09Z","products":[{"vendor":"kingsoft","product":"internet_security_9_plus"}],"references":[{"url":"http://seclists.org/fulldisclosure/2018/Mar/78","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9151"},{"url":"https://github.com/advisories/GHSA-68wm-7f94-vq2h"}],"sources":{"cve":[{"id":"CVE-2018-9151","description":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.","status":"published","published":"2018-03-30T19:00:00Z","modified":"2024-08-05T07:17:51.774Z","updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-20750","description":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.","status":"published","published":"2018-03-30T19:00:00Z","modified":"2024-08-05T07:17:51Z","updated_at":"2026-11-03T02:40:00.889185Z"}],"ghsa":[{"id":"GHSA-68wm-7f94-vq2h","title":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet...","description":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.","status":"published","published":"2022-05-14T03:31:04Z","modified":"2023-02-02T05:08:04Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:52:39.875078Z"}],"nvd":[{"id":"CVE-2018-9151","description":"A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.","status":"published","published":"2018-03-30T19:29:00.443Z","modified":"2026-06-17T02:06:09.91Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:04:24.700429Z"}]}}