{"cve":"CVE-2018-5390","nvd":{"published":"2018-08-06T20:29:01.570","modified":"2026-06-17T02:00:14.687","status":"Modified","description":"Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt","http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181031-02-linux-en","http://www.openwall.com/lists/oss-security/2019/06/28/2","http://www.openwall.com/lists/oss-security/2019/07/06/3","http://www.openwall.com/lists/oss-security/2019/07/06/4"],"products":["a10networks:advanced_core_operating_system","canonical:ubuntu_linux","cisco:collaboration_meeting_rooms","cisco:digital_network_architecture_center","cisco:expressway","cisco:expressway_series","cisco:meeting_management","cisco:network_assurance_engine","cisco:telepresence_conductor_firmware","cisco:telepresence_video_communication_server_firmware","cisco:threat_grid-cloud","cisco:webex_hybrid_data_security","cisco:webex_video_mesh","debian:debian_linux","f5:big-ip_access_policy_manager","f5:big-ip_advanced_firewall_manager","f5:big-ip_analytics","f5:big-ip_application_acceleration_manager","f5:big-ip_application_security_manager","f5:big-ip_domain_name_system","f5:big-ip_edge_gateway","f5:big-ip_fraud_protection_service","f5:big-ip_global_traffic_manager","f5:big-ip_link_controller","f5:big-ip_local_traffic_manager","f5:big-ip_policy_enforcement_manager","f5:big-ip_webaccelerator","f5:traffix_systems_signaling_delivery_controller","hp:aruba_airwave_amp","hp:aruba_clearpass_policy_manager","linux:linux_kernel","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation","redhat:virtualization"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-5390","score":0.71767,"percentile":0.99425,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}