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ubuntucveUbuntu.comUB:CVE-2018-5390
HistoryAug 06, 2018 - 12:00 a.m.

CVE-2018-5390

2018-08-0600:00:00
ubuntu.com
ubuntu.com
26

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.783 High

EPSS

Percentile

98.2%

JSON

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.

Notes

Author Note
tyhicks Known as “SegmentSmack”
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-30.32UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-155.205UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-133.159UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1017.17UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1027.30UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1065.75UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1019.19UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1019.19~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.15.0-1019.19UNKNOWN
ubuntu16.04noarchlinux-euclid< 4.4.0-9029.31UNKNOWN
Rows per page:
1-10 of 211

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2018-11-28 08:01:01

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.783 High

EPSS

Percentile

98.2%

JSON
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