CVE & CISA-KEV Catalog

CVE-2018-5390

HIGHEPSS 99th pctl
7.5
CVSS v3
NVD

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.

CWE-400Resource Exhaustion

How to fix

Remediation Available
kernelAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-debuginfoAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-debuginfo-common-x86_64Amazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-develAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-headersAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-toolsAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-tools-debuginfoAmazon
Fixed in:0:4.14.59-68.43.amzn2
kernel-tools-develAmazon
Fixed in:0:4.14.59-68.43.amzn2
perfAmazon
Fixed in:0:4.14.59-68.43.amzn2
perf-debuginfoAmazon
Fixed in:0:4.14.59-68.43.amzn2
python-perfAmazon
Fixed in:0:4.14.59-68.43.amzn2
python-perf-debuginfoAmazon
Fixed in:0:4.14.59-68.43.amzn2
linuxDebian
Fixed in:4.17.14-1CVE-2018-5390
Fixed in:4.17.14-1CVE-2018-5390
Fixed in:4.17.14-1CVE-2018-5390
linuxUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:4.4.0-133.159USN-3741-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:4.15.0-30.32USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-awsUbuntu
Fixed in:4.4.0-1027.30USN-3741-2

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:4.4.0-1065.75USN-3741-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:4.15.0-1017.17USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-azureUbuntu
Fixed in:4.15.0-1019.19~16.04.1USN-3732-2

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:4.15.0-1019.19USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-gcpUbuntu
Fixed in:4.15.0-1015.15~16.04.1USN-3732-2

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:4.15.0-1015.15USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-hweUbuntu
Fixed in:4.15.0-30.32~16.04.1USN-3732-2

This Ubuntu release reached end-of-life on 2021-04-02.

linux-image-3.13.0-155-genericUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-generic-lpaeUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-lowlatencyUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-powerpc-e500Ubuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-powerpc-e500mcUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-powerpc-smpUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-powerpc64-embUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-3.13.0-155-powerpc64-smpUbuntu
Fixed in:3.13.0-155.205USN-3742-1

This Ubuntu release reached end-of-life on 2019-04-02.

linux-image-4.15.0-1015-gcpUbuntu
Fixed in:4.15.0-1015.15~16.04.1USN-3732-2

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:4.15.0-1015.15USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-image-4.15.0-1017-awsUbuntu
Fixed in:4.15.0-1017.17USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-image-4.15.0-1017-kvmUbuntu
Fixed in:4.15.0-1017.17USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

linux-image-4.15.0-1018-raspi2Ubuntu
Fixed in:4.15.0-1018.19USN-3732-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

73.72%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Mitigation1
Other references1

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-44487High7.5100%KEVFix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2011-3192High7.899%-Fix
CVE-2019-11478Medium5.395%-Fix
CVE-2023-21547High7.589%-Fix
CVE-2018-1000115High7.588%-Fix

Common questions

How do I fix CVE-2018-5390?

Published advisories record a fix for 51 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-5390 being actively exploited?

Not that we know of. CVE-2018-5390 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 73.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

How severe is CVE-2018-5390?

CVE-2018-5390 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-5390 affect?

Published advisories record a fix for kernel (Amazon), kernel-debuginfo (Amazon), kernel-debuginfo-common-x86_64 (Amazon), kernel-devel (Amazon), and 47 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.