Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-5390

Uncontrolled Resource Consumption

Published: Aug 06, 2018 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
7.8 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
HIGH
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-5390
CWEhttps://cwe.mitre.org/data/definitions/400.html

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.

Weakness

The product does not properly control the allocation and maintenance of a limited resource.

Affected Software

NameVendorStart VersionEnd Version
VirtualizationRedhat4.0 (including)4.0 (including)
Enterprise_linux_desktopRedhat7.0 (including)7.0 (including)
Enterprise_linux_serverRedhat7.0 (including)7.0 (including)
Enterprise_linux_server_ausRedhat6.4 (including)6.4 (including)
Enterprise_linux_server_ausRedhat6.5 (including)6.5 (including)
Enterprise_linux_server_ausRedhat6.6 (including)6.6 (including)
Enterprise_linux_server_ausRedhat7.2 (including)7.2 (including)
Enterprise_linux_server_ausRedhat7.3 (including)7.3 (including)
Enterprise_linux_server_ausRedhat7.4 (including)7.4 (including)
Enterprise_linux_server_eusRedhat6.4 (including)6.4 (including)
Enterprise_linux_server_eusRedhat6.7 (including)6.7 (including)
Enterprise_linux_server_eusRedhat7.2 (including)7.2 (including)
Enterprise_linux_server_eusRedhat7.3 (including)7.3 (including)
Enterprise_linux_server_eusRedhat7.4 (including)7.4 (including)
Enterprise_linux_server_eusRedhat7.5 (including)7.5 (including)
Enterprise_linux_server_tusRedhat6.6 (including)6.6 (including)
Enterprise_linux_server_tusRedhat7.2 (including)7.2 (including)
Enterprise_linux_server_tusRedhat7.3 (including)7.3 (including)
Enterprise_linux_server_tusRedhat7.4 (including)7.4 (including)
Enterprise_linux_workstationRedhat7.0 (including)7.0 (including)
Red Hat Enterprise Linux 6RedHatkernel-0:2.6.32-754.3.5.el6*
Red Hat Enterprise Linux 6.4 Advanced Update SupportRedHatkernel-0:2.6.32-358.93.1.el6*
Red Hat Enterprise Linux 6.5 Advanced Update SupportRedHatkernel-0:2.6.32-431.93.2.el6*
Red Hat Enterprise Linux 6.6 Advanced Update SupportRedHatkernel-0:2.6.32-504.76.2.el6*
Red Hat Enterprise Linux 6.6 Telco Extended Update SupportRedHatkernel-0:2.6.32-504.76.2.el6*
Red Hat Enterprise Linux 6.7 Extended Update SupportRedHatkernel-0:2.6.32-573.62.1.el6*
Red Hat Enterprise Linux 7RedHatkernel-rt-0:3.10.0-862.11.6.rt56.819.el7*
Red Hat Enterprise Linux 7RedHatkernel-0:3.10.0-862.11.6.el7*
Red Hat Enterprise Linux 7RedHatkernel-alt-0:4.14.0-115.el7a*
Red Hat Enterprise Linux 7.2 Advanced Update SupportRedHatkernel-0:3.10.0-327.73.1.el7*
Red Hat Enterprise Linux 7.2 Telco Extended Update SupportRedHatkernel-0:3.10.0-327.73.1.el7*
Red Hat Enterprise Linux 7.2 Update Services for SAP SolutionsRedHatkernel-0:3.10.0-327.73.1.el7*
Red Hat Enterprise Linux 7.3 Extended Update SupportRedHatkernel-0:3.10.0-514.58.1.el7*
Red Hat Enterprise Linux 7.4 Extended Update SupportRedHatkernel-0:3.10.0-693.39.1.el7*
Red Hat Enterprise MRG 2RedHatkernel-rt-1:3.10.0-693.39.1.rt56.629.el6rt*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatrhvm-appliance-0:4.2-20180813.0*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-release-virtualization-host-0:4.2-5.2.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-virtualization-host-0:4.2-20180813.0*
LinuxUbuntubionic*
LinuxUbuntuesm-infra-legacy/trusty*
LinuxUbuntuesm-infra/bionic*
LinuxUbuntuesm-infra/xenial*
LinuxUbuntutrusty*
LinuxUbuntutrusty/esm*
LinuxUbuntuupstream*
LinuxUbuntuxenial*
Linux-awsUbuntubionic*
Linux-awsUbuntuesm-infra-legacy/trusty*
Linux-awsUbuntuesm-infra/bionic*
Linux-awsUbuntuesm-infra/xenial*
Linux-awsUbuntutrusty*
Linux-awsUbuntutrusty/esm*
Linux-awsUbuntuupstream*
Linux-awsUbuntuxenial*
Linux-azureUbuntubionic*
Linux-azureUbuntuesm-infra/bionic*
Linux-azureUbuntuesm-infra/xenial*
Linux-azureUbuntuupstream*
Linux-azureUbuntuxenial*
Linux-azure-edgeUbuntuupstream*
Linux-azure-edgeUbuntuxenial*
Linux-euclidUbuntuupstream*
Linux-euclidUbuntuxenial*
Linux-floUbuntutrusty*
Linux-floUbuntuupstream*
Linux-floUbuntuxenial*
Linux-gcpUbuntubionic*
Linux-gcpUbuntuesm-infra/bionic*
Linux-gcpUbuntuesm-infra/xenial*
Linux-gcpUbuntuupstream*
Linux-gcpUbuntuxenial*
Linux-gkeUbuntuupstream*
Linux-gkeUbuntuxenial*
Linux-goldfishUbuntutrusty*
Linux-goldfishUbuntuupstream*
Linux-goldfishUbuntuxenial*
Linux-grouperUbuntutrusty*
Linux-grouperUbuntuupstream*
Linux-hweUbuntuesm-infra/xenial*
Linux-hweUbuntuupstream*
Linux-hweUbuntuxenial*
Linux-hwe-edgeUbuntuesm-infra/xenial*
Linux-hwe-edgeUbuntuupstream*
Linux-hwe-edgeUbuntuxenial*
Linux-kvmUbuntubionic*
Linux-kvmUbuntuesm-infra/bionic*
Linux-kvmUbuntuesm-infra/xenial*
Linux-kvmUbuntuupstream*
Linux-kvmUbuntuxenial*
Linux-lts-trustyUbuntuupstream*
Linux-lts-utopicUbuntutrusty*
Linux-lts-utopicUbuntuupstream*
Linux-lts-vividUbuntutrusty*
Linux-lts-vividUbuntuupstream*
Linux-lts-wilyUbuntutrusty*
Linux-lts-wilyUbuntuupstream*
Linux-lts-xenialUbuntuesm-infra-legacy/trusty*
Linux-lts-xenialUbuntutrusty*
Linux-lts-xenialUbuntutrusty/esm*
Linux-lts-xenialUbuntuupstream*
Linux-maguroUbuntutrusty*
Linux-maguroUbuntuupstream*
Linux-makoUbuntutrusty*
Linux-makoUbuntuupstream*
Linux-makoUbuntuxenial*
Linux-mantaUbuntutrusty*
Linux-mantaUbuntuupstream*
Linux-oemUbuntubionic*
Linux-oemUbuntuesm-infra/bionic*
Linux-oemUbuntuupstream*
Linux-oemUbuntuxenial*
Linux-raspi2Ubuntubionic*
Linux-raspi2Ubuntuupstream*
Linux-raspi2Ubuntuxenial*
Linux-snapdragonUbuntuupstream*
Linux-snapdragonUbuntuxenial*

Potential Mitigations

  • Mitigation of resource exhaustion attacks requires that the target system either:

  • The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.

  • The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.

References

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