{"vulnerability": "CVE-2023-39189", "sightings": [{"uuid": "ccb71fcb-b244-4fbb-92e5-e66780a416ad", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-39189", "type": "seen", "source": "https://bsky.app/profile/bluesky.awakari.com/post/3lwbhky6biw2y", "content": "", "creation_timestamp": "2025-08-13T09:00:04.325335Z"}, {"uuid": "b9af6479-73d5-48e9-b061-8989eec54d78", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-39189", "type": "seen", "source": "https://t.me/cibsecurity/71854", "content": "\u203c CVE-2023-39189 \u203c\n\nA flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-10-09T22:16:07.000000Z"}]}