CVE-2016-4998

CVE Details

Release Date:	2016-06-24
Impact:	Moderate	What is this?

Description

The IPT_SO_SET_REPLACE setsockopt implementation in the netfiltersubsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

See more information about CVE-2016-4998 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	5.6
Vector String:	AV:L/AC:L/Au:N/C:P/I:N/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2016-3618	2016-09-22
Oracle Linux version 6 (dtrace-modules-3.8.13-118.11.2.el6uek)	ELSA-2016-3617	2016-09-22
Oracle Linux version 6 (dtrace-modules-4.1.12-61.1.10.el6uek)	ELSA-2016-3619	2016-09-22
Oracle Linux version 6 (kernel)	ELSA-2017-0036	2017-01-10
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3617	2016-09-22
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3618	2016-09-22
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3619	2016-09-22
Oracle Linux version 7 (dtrace-modules-3.8.13-118.11.2.el7uek)	ELSA-2016-3617	2016-09-22
Oracle Linux version 7 (dtrace-modules-4.1.12-61.1.10.el7uek)	ELSA-2016-3619	2016-09-22
Oracle Linux version 7 (kernel)	ELSA-2016-1847	2016-09-14
Oracle Linux version 7 (kernel-uek)	ELSA-2016-3617	2016-09-22
Oracle Linux version 7 (kernel-uek)	ELSA-2016-3619	2016-09-22
Oracle VM version 3.2 (kernel-uek)	OVMSA-2016-0158	2016-11-15
Oracle VM version 3.3 (kernel-uek)	OVMSA-2016-0133	2016-09-22
Oracle VM version 3.4 (kernel-uek)	OVMSA-2016-0134	2016-09-22