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Vulnerability Details : CVE-2018-5391

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.
Publish Date : 2018-09-06 Last Update Date : 2018-11-16
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:2846: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20182846 unix
RHSA-2018:3083: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20183083 unix
RHSA-2018:3096: kernel-rt security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20183096 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-5391

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 ~~esm~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
7 OS Linux Linux Kernel 4.0 RC5 Version Details Vulnerabilities
8 OS Linux Linux Kernel 4.1 RC7 Version Details Vulnerabilities
9 OS Linux Linux Kernel 4.1 RC2 Version Details Vulnerabilities
10 OS Linux Linux Kernel 4.1 RC8 Version Details Vulnerabilities
11 OS Linux Linux Kernel 4.1 RC3 Version Details Vulnerabilities
12 OS Linux Linux Kernel 4.1 RC4 Version Details Vulnerabilities
13 OS Linux Linux Kernel 4.1 RC5 Version Details Vulnerabilities
14 OS Linux Linux Kernel 4.1 RC6 Version Details Vulnerabilities
15 OS Linux Linux Kernel 4.1 RC1 Version Details Vulnerabilities
16 OS Linux Linux Kernel 4.2 RC5 Version Details Vulnerabilities
17 OS Linux Linux Kernel 4.2 RC6 Version Details Vulnerabilities
18 OS Linux Linux Kernel 4.2 RC1 Version Details Vulnerabilities
19 OS Linux Linux Kernel 4.2 RC7 Version Details Vulnerabilities
20 OS Linux Linux Kernel 4.2 RC2 Version Details Vulnerabilities
21 OS Linux Linux Kernel 4.2 RC8 Version Details Vulnerabilities
22 OS Linux Linux Kernel 4.2 RC3 Version Details Vulnerabilities
23 OS Linux Linux Kernel 4.2 RC4 Version Details Vulnerabilities
24 OS Linux Linux Kernel 4.3 RC3 Version Details Vulnerabilities
25 OS Linux Linux Kernel 4.3 RC4 Version Details Vulnerabilities
26 OS Linux Linux Kernel 4.3 RC5 Version Details Vulnerabilities
27 OS Linux Linux Kernel 4.3 RC6 Version Details Vulnerabilities
28 OS Linux Linux Kernel 4.3 RC2 Version Details Vulnerabilities
29 OS Linux Linux Kernel 4.5 RC3 Version Details Vulnerabilities
30 OS Linux Linux Kernel 4.5 RC4 Version Details Vulnerabilities
31 OS Linux Linux Kernel 4.7 RC7 Version Details Vulnerabilities
32 OS Linux Linux Kernel 4.7 RC1 Version Details Vulnerabilities
33 OS Linux Linux Kernel 4.7 RC2 Version Details Vulnerabilities
34 OS Linux Linux Kernel 4.7 RC3 Version Details Vulnerabilities
35 OS Linux Linux Kernel 4.7 RC4 Version Details Vulnerabilities
36 OS Linux Linux Kernel 4.7 RC5 Version Details Vulnerabilities
37 OS Linux Linux Kernel 4.8 RC5 Version Details Vulnerabilities
38 OS Linux Linux Kernel 4.8 RC6 Version Details Vulnerabilities
39 OS Linux Linux Kernel 4.9 RC3 Version Details Vulnerabilities
40 OS Linux Linux Kernel 4.9 RC4 Version Details Vulnerabilities
41 OS Linux Linux Kernel 4.9 RC5 Version Details Vulnerabilities
42 OS Linux Linux Kernel 4.9 RC6 Version Details Vulnerabilities
43 OS Linux Linux Kernel 4.9 RC1 Version Details Vulnerabilities
44 OS Linux Linux Kernel 4.9 RC7 Version Details Vulnerabilities
45 OS Linux Linux Kernel 4.9 RC2 Version Details Vulnerabilities
46 OS Linux Linux Kernel 4.9 RC8 Version Details Vulnerabilities
47 OS Linux Linux Kernel 4.10 RC3 Version Details Vulnerabilities
48 OS Linux Linux Kernel 4.10 RC4 Version Details Vulnerabilities
49 OS Linux Linux Kernel 4.12 RC4 Version Details Vulnerabilities
50 OS Linux Linux Kernel 4.12 RC5 Version Details Vulnerabilities
51 OS Linux Linux Kernel 4.12 RC6 Version Details Vulnerabilities
52 OS Linux Linux Kernel 4.12 RC1 Version Details Vulnerabilities
53 OS Linux Linux Kernel 4.12 RC2 Version Details Vulnerabilities
54 OS Linux Linux Kernel 4.12 RC3 Version Details Vulnerabilities
55 OS Linux Linux Kernel 4.14.67 Version Details Vulnerabilities
56 OS Linux Linux Kernel 4.14.81 Version Details Vulnerabilities
57 OS Linux Linux Kernel 4.15 RC2 Version Details Vulnerabilities
58 OS Linux Linux Kernel 4.15 RC3 Version Details Vulnerabilities
59 OS Linux Linux Kernel 4.15 RC1 Version Details Vulnerabilities
60 OS Linux Linux Kernel 4.16 RC7 Version Details Vulnerabilities
61 OS Linux Linux Kernel 4.17 RC3 Version Details Vulnerabilities
62 OS Linux Linux Kernel 4.17 RC4 Version Details Vulnerabilities
63 OS Linux Linux Kernel 4.17 RC5 Version Details Vulnerabilities
64 OS Linux Linux Kernel 4.17 RC6 Version Details Vulnerabilities
65 OS Linux Linux Kernel 4.17 RC1 Version Details Vulnerabilities
66 OS Linux Linux Kernel 4.17 RC7 Version Details Vulnerabilities
67 OS Linux Linux Kernel 4.17 RC2 Version Details Vulnerabilities
68 OS Linux Linux Kernel 4.17.6 Version Details Vulnerabilities
69 OS Linux Linux Kernel 4.17.7 Version Details Vulnerabilities
70 OS Linux Linux Kernel 4.17.8 Version Details Vulnerabilities
71 OS Linux Linux Kernel 4.17.9 Version Details Vulnerabilities
72 OS Linux Linux Kernel 4.18 RC7 Version Details Vulnerabilities
73 OS Linux Linux Kernel 4.18 RC2 Version Details Vulnerabilities
74 OS Linux Linux Kernel 4.18 RC8 Version Details Vulnerabilities
75 OS Linux Linux Kernel 4.18 RC3 Version Details Vulnerabilities
76 OS Linux Linux Kernel 4.18 RC4 Version Details Vulnerabilities
77 OS Linux Linux Kernel 4.18 RC5 Version Details Vulnerabilities
78 OS Linux Linux Kernel 4.18 Version Details Vulnerabilities
79 OS Linux Linux Kernel 4.18 RC6 Version Details Vulnerabilities
80 OS Linux Linux Kernel 4.18 RC1 Version Details Vulnerabilities
81 OS Linux Linux Kernel 4.18.1 Version Details Vulnerabilities
82 OS Linux Linux Kernel 4.18.2 Version Details Vulnerabilities
83 OS Linux Linux Kernel 4.18.3 Version Details Vulnerabilities
84 OS Linux Linux Kernel 4.18.4 Version Details Vulnerabilities
85 OS Linux Linux Kernel 4.18.5 Version Details Vulnerabilities
86 OS Linux Linux Kernel 4.18.6 Version Details Vulnerabilities
87 OS Linux Linux Kernel 4.18.7 Version Details Vulnerabilities
88 OS Linux Linux Kernel 4.18.8 Version Details Vulnerabilities
89 OS Linux Linux Kernel 4.18.9 Version Details Vulnerabilities
90 OS Linux Linux Kernel 4.18.10 Version Details Vulnerabilities
91 OS Linux Linux Kernel 4.18.11 Version Details Vulnerabilities
92 OS Linux Linux Kernel 4.18.12 Version Details Vulnerabilities
93 OS Linux Linux Kernel 4.18.13 Version Details Vulnerabilities
94 OS Linux Linux Kernel 4.18.14 Version Details Vulnerabilities
95 OS Linux Linux Kernel 4.18.15 Version Details Vulnerabilities
96 OS Linux Linux Kernel 4.18.16 Version Details Vulnerabilities
97 OS Linux Linux Kernel 4.18.19 Version Details Vulnerabilities
98 OS Linux Linux Kernel 4.19 RC8 Version Details Vulnerabilities
99 OS Linux Linux Kernel 4.19 RC3 Version Details Vulnerabilities
100 OS Linux Linux Kernel 4.19 RC4 Version Details Vulnerabilities
101 OS Linux Linux Kernel 4.19 RC5 Version Details Vulnerabilities
102 OS Linux Linux Kernel 4.19 Version Details Vulnerabilities
103 OS Linux Linux Kernel 4.19 RC6 Version Details Vulnerabilities
104 OS Linux Linux Kernel 4.19 RC1 Version Details Vulnerabilities
105 OS Linux Linux Kernel 4.19 RC7 Version Details Vulnerabilities
106 OS Linux Linux Kernel 4.19 RC2 Version Details Vulnerabilities
107 OS Linux Linux Kernel 10.2.0 ~~~endpoint Security Linux Threat Prevention~~ Version Details Vulnerabilities
108 OS Linux Linux Kernel 10.2.2 ~~~endpoint Security Linux Threat Prevention~~ Version Details Vulnerabilities
109 OS Linux Linux Kernel 10.2.3 ~~~endpoint Security Linux Threat Prevention~~ Version Details Vulnerabilities
110 OS Linux Linux Kernel 10.5.0 ~~~endpoint Security Linux Threat Prevention~~ Version Details Vulnerabilities
111 OS Linux Linux Kernel 10.5.1 ~~~endpoint Security Linux Threat Prevention~~ Version Details Vulnerabilities
112 OS Redhat Enterprise Linux Desktop 6.0 Version Details Vulnerabilities
113 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
114 OS Redhat Enterprise Linux Server 6.0 Version Details Vulnerabilities
115 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
116 OS Redhat Enterprise Linux Server Aus 6.4 Version Details Vulnerabilities
117 OS Redhat Enterprise Linux Server Aus 6.5 Version Details Vulnerabilities
118 OS Redhat Enterprise Linux Server Aus 6.6 Version Details Vulnerabilities
119 OS Redhat Enterprise Linux Server Aus 7.2 Version Details Vulnerabilities
120 OS Redhat Enterprise Linux Server Aus 7.3 Version Details Vulnerabilities
121 OS Redhat Enterprise Linux Server Aus 7.4 Version Details Vulnerabilities
122 OS Redhat Enterprise Linux Server Eus 6.7 Version Details Vulnerabilities
123 OS Redhat Enterprise Linux Server Eus 7.3 Version Details Vulnerabilities
124 OS Redhat Enterprise Linux Server Eus 7.4 Version Details Vulnerabilities
125 OS Redhat Enterprise Linux Server Eus 7.5 Version Details Vulnerabilities
126 OS Redhat Enterprise Linux Server Tus 6.6 Version Details Vulnerabilities
127 OS Redhat Enterprise Linux Server Tus 7.2 Version Details Vulnerabilities
128 OS Redhat Enterprise Linux Server Tus 7.3 Version Details Vulnerabilities
129 OS Redhat Enterprise Linux Server Tus 7.4 Version Details Vulnerabilities
130 OS Redhat Enterprise Linux Workstation 6.0 Version Details Vulnerabilities
131 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2
Linux Linux Kernel 105
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 6
Redhat Enterprise Linux Server Eus 4
Redhat Enterprise Linux Server Tus 4
Redhat Enterprise Linux Workstation 2

- References For CVE-2018-5391

https://www.kb.cert.org/vuls/id/641765
CERT-VN VU#641765
https://www.debian.org/security/2018/dsa-4272
DEBIAN DSA-4272
https://usn.ubuntu.com/3742-1/
UBUNTU USN-3742-1
https://usn.ubuntu.com/3741-2/
UBUNTU USN-3741-2
https://usn.ubuntu.com/3741-1/
UBUNTU USN-3741-1
https://usn.ubuntu.com/3740-2/
UBUNTU USN-3740-2
https://usn.ubuntu.com/3740-1/
UBUNTU USN-3740-1
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html
MLIST [debian-lts-announce] 20180815 [SECURITY] [DLA 1466-1] linux-4.9 security update
https://access.redhat.com/errata/RHSA-2018:2948
REDHAT RHSA-2018:2948
https://security.netapp.com/advisory/ntap-20181003-0002/ CONFIRM
https://access.redhat.com/errata/RHSA-2018:3590
REDHAT RHSA-2018:3590
https://access.redhat.com/errata/RHSA-2018:3540
REDHAT RHSA-2018:3540
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=c30f1fc041b74ecdb072dd44f858750414b8b19f
https://usn.ubuntu.com/3742-2/
UBUNTU USN-3742-2
https://access.redhat.com/errata/RHSA-2018:3586
REDHAT RHSA-2018:3586
https://access.redhat.com/errata/RHSA-2018:3459
REDHAT RHSA-2018:3459
https://access.redhat.com/errata/RHSA-2018:3083
REDHAT RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:2933
REDHAT RHSA-2018:2933
https://access.redhat.com/errata/RHSA-2018:2925
REDHAT RHSA-2018:2925
https://access.redhat.com/errata/RHSA-2018:2924
REDHAT RHSA-2018:2924
https://access.redhat.com/errata/RHSA-2018:2846
REDHAT RHSA-2018:2846
https://access.redhat.com/errata/RHSA-2018:2791
REDHAT RHSA-2018:2791
http://www.securityfocus.com/bid/105108
BID 105108 Linux Kernel CVE-2018-5391 Remote Denial of Service Vulnerability Release Date:2018-10-29
https://access.redhat.com/errata/RHSA-2018:3096
REDHAT RHSA-2018:3096
https://access.redhat.com/errata/RHSA-2018:2785
REDHAT RHSA-2018:2785
http://www.securitytracker.com/id/1041476
SECTRACK 1041476
http://www.securitytracker.com/id/1041637
SECTRACK 1041637
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt CONFIRM

- Metasploit Modules Related To CVE-2018-5391

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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