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ubuntucveUbuntu.comUB:CVE-2018-14641
HistorySep 18, 2018 - 12:00 a.m.

CVE-2018-14641

2018-09-1800:00:00
ubuntu.com
ubuntu.com
10

CVSS2

7.8

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

EPSS

0.017

Percentile

87.7%

JSON

A security flaw was found in the ip_frag_reasm() function in
net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3
inclusive, which can cause a later system crash in ip_do_fragment(). With
certain non-default, but non-rare, configuration of a victim host, an
attacker can trigger this crash remotely, thus leading to a remote
denial-of-service.

Notes

Author Note
sbeattie this vulnerability is a result of the fix for CVE-2018-5391/FragmentSmack; however, an alternative fix for CVE-2018-5391 was to revert c2a936600f78aea00d3312ea4b66a79a4619f9b4, which is what the Ubuntu kernels used.

Related

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CVSS2

7.8

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

EPSS

0.017

Percentile

87.7%

JSON
Related for UB:CVE-2018-14641
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