CVE-2018-5391

CVE Details

Release Date:

2018-09-06

Description

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.

See more information about CVE-2018-5391 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel)	ELSA-2018-2846	2018-10-09
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4196	2018-08-14
Oracle Linux version 7 (kernel)	ELSA-2018-3083	2018-11-05
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4195	2018-08-14
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4196	2018-08-14
Oracle VM version 3.4 (kernel-uek)	OVMSA-2018-0247	2018-08-14

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team