CVE-2018-5390
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
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.
Official description from the CVE record, published by certcc. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.71767 (71.8% probability)
- Percentile
- 99.4%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
Weakness (CWE)
- CWE-400Uncontrolled Resource Consumption
Affected products
Linux Kernel
- affected: 4.9 up to before 4.9*
References
- RHSA-2018:2785 (access.redhat.com)vendor-advisory
- VU#962459 (kb.cert.org)third-party-advisory
- USN-3741-2 (usn.ubuntu.com)vendor-advisory
- RHSA-2018:2776 (access.redhat.com)vendor-advisory
- RHSA-2018:2933 (access.redhat.com)vendor-advisory
- RHSA-2018:2403 (access.redhat.com)vendor-advisory
- RHSA-2018:2395 (access.redhat.com)vendor-advisory
- USN-3763-1 (usn.ubuntu.com)vendor-advisory
- RHSA-2018:2384 (access.redhat.com)vendor-advisory
- USN-3741-1 (usn.ubuntu.com)vendor-advisory
- RHSA-2018:2402 (access.redhat.com)vendor-advisory
- RHSA-2018:2948 (access.redhat.com)vendor-advisory
- USN-3742-2 (usn.ubuntu.com)vendor-advisory
- 1041434 (securitytracker.com)vdb-entry
- USN-3732-2 (usn.ubuntu.com)vendor-advisory
- 104976 (securityfocus.com)vdb-entry
- [debian-lts-announce] 20180815 [SECURITY] [DLA 1466-1] linux-4.9 security update (lists.debian.org)mailing-list
- 1041424 (securitytracker.com)vdb-entry
- USN-3742-1 (usn.ubuntu.com)vendor-advisory
- RHSA-2018:2924 (access.redhat.com)vendor-advisory
- 20180824 Linux and FreeBSD Kernels TCP Reassembly Denial of Service Vulnerabilities Affecting Cisco Products: August 2018 (tools.cisco.com)vendor-advisory
- RHSA-2018:2789 (access.redhat.com)vendor-advisory
- DSA-4266 (debian.org)vendor-advisory
- RHSA-2018:2645 (access.redhat.com)vendor-advisory
- USN-3732-1 (usn.ubuntu.com)vendor-advisory
- RHSA-2018:2791 (access.redhat.com)vendor-advisory
- RHSA-2018:2790 (access.redhat.com)vendor-advisory
- [oss-security] 20190628 Re: linux-distros membership application - Microsoft (openwall.com)mailing-list
- [oss-security] 20190706 Re: linux-distros membership application - Microsoft (openwall.com)mailing-list
- [oss-security] 20190706 Re: linux-distros membership application - Microsoft (openwall.com)mailing-list
- oracle.com/security-alerts/cpujul2020.html
- oracle.com/technetwork/security-advisory/cpujan2019-5072801…
- help.ecostruxureit.com/display/public/UADCE725/Security+fix…
- security.netapp.com/advisory/ntap-20180815-0003
- arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt
- synology.com/support/security/Synology_SA_18_41
- support.f5.com/csp/article/K95343321
- a10networks.com/support/security-advisories/tcp-ip-cve-2018…
- git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commi…
- support.f5.com/csp/article/K95343321?utm_source=f5support&a…
- cert-portal.siemens.com/productcert/pdf/ssa-377115.pdf
- huawei.com/en/psirt/security-advisories/huawei-sa-20181031-…
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:49 UTC. Sources and licenses