{"vulnerability": "CVE-2021-4203", "sightings": [{"uuid": "0aac24c8-124f-4038-bff0-d1529c68f12e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-4203", "type": "seen", "source": "https://t.me/cibsecurity/39557", "content": "\u203c CVE-2021-4203 \u203c\n\nA use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2022-03-25T21:31:00.000000Z"}]}