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.
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
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.
August 6, 2018
November 21, 2024
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update
Red Hat Security Advisory: rhvm-appliance security update
Red Hat Security Advisory: redhat-virtualization-host security update
Red Hat Security Advisory: kernel-rt security and bug fix update
Red Hat Security Advisory: kernel security and bug fix update
Red Hat Security Advisory: kernel security and bug fix update
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
RHSA-2018:2645 — Important
RHSA-2018:2776 — Important
RHSA-2018:2785 — Important
RHSA-2018:2789 — Important
RHSA-2018:2790 — Important
RHSA-2018:2791 — Important
RHSA-2018:2924 — Important
RHSA-2018:2933 — Important
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Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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CWE-400