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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 13.43% Top 10%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory cisco.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: Linux Linux Kernel
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:2785 third party advisory vendor advisory
https://www.kb.cert.org/vuls/id/962459 third party advisory us government resource
https://usn.ubuntu.com/3741-2/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2776 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2933 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2403 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2395 third party advisory vendor advisory
https://usn.ubuntu.com/3763-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2384 third party advisory vendor advisory
https://usn.ubuntu.com/3741-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2402 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2948 third party advisory vendor advisory
https://usn.ubuntu.com/3742-2/ third party advisory vendor advisory
http://www.securitytracker.com/id/1041434 vdb entry third party advisory
https://usn.ubuntu.com/3732-2/ third party advisory vendor advisory
http://www.securityfocus.com/bid/104976 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html third party advisory mailing list
http://www.securitytracker.com/id/1041424 vdb entry third party advisory
https://usn.ubuntu.com/3742-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2924 third party advisory vendor advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180824-linux-tcp third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2789 third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4266 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2645 third party advisory vendor advisory
https://usn.ubuntu.com/3732-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2791 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2790 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2019/06/28/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/07/06/3 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/07/06/4 third party advisory mailing list
https://www.oracle.com/security-alerts/cpujul2020.html third party advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html third party advisory patch
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 third party advisory
https://security.netapp.com/advisory/ntap-20180815-0003/ third party advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt third party advisory
https://www.synology.com/support/security/Synology_SA_18_41 third party advisory
https://support.f5.com/csp/article/K95343321 third party advisory
https://www.a10networks.com/support/security-advisories/tcp-ip-cve-2018-5390-segmentsmack third party advisory mitigation
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=1a4f14bab1868b443f0dd3c55b689a478f82e72e patch vendor advisory
https://support.f5.com/csp/article/K95343321?utm_source=f5support&%3Butm_medium=RSS
https://cert-portal.siemens.com/productcert/pdf/ssa-377115.pdf third party advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181031-02-linux-en third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5390?
CVE-2018-5390 has been scored as a high severity vulnerability.
How to fix CVE-2018-5390?
To fix CVE-2018-5390, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5390 being actively exploited in the wild?
It is possible that CVE-2018-5390 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~13% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5390?
CVE-2018-5390 affects Linux Linux Kernel.
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