{"vulnerability": "CVE-2023-4921", "sightings": [{"uuid": "0cc407d1-5a42-4bb3-9350-810e187d322d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-49214", "type": "seen", "source": "https://t.me/ctinow/155406", "content": "https://ift.tt/lDcyXqV\nCVE-2023-49214 | Usedesk up to 1.7.56 Chat Template injection", "creation_timestamp": "2023-12-16T14:12:28.000000Z"}, {"uuid": "61b8601e-3d65-4df0-9ab7-cf9cb708969c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-4921", "type": "seen", "source": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-09", "content": "", "creation_timestamp": "2025-02-13T11:00:00.000000Z"}, {"uuid": "e82eef47-a06f-44f5-b8a9-e4f7466945a3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-49215", "type": "seen", "source": "https://t.me/ctinow/155405", "content": "https://ift.tt/aWzQkS6\nCVE-2023-49215 | Usedesk up to 1.7.56 cross site scripting", "creation_timestamp": "2023-12-16T14:12:27.000000Z"}, {"uuid": "195dfef9-8b95-43d3-bf4e-aeb6aadae875", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-4921", "type": "seen", "source": "https://t.me/cibsecurity/70346", "content": "\u203c CVE-2023-4921 \u203c\n\nA use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-09-13T00:23:12.000000Z"}, {"uuid": "d5499ec6-0d4d-4ca6-9cbf-db0005b38c31", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-4921", "type": "seen", "source": "Telegram/C6PhCyiqECM0IDK851J7HPVI8j7r_aGFhmKO3P6pepkdCel8", "content": "", "creation_timestamp": "2025-02-14T10:08:17.000000Z"}]}