CVE-2016-4998

7.1 HIGH
Published: July 03, 2016 Modified: May 06, 2026
View on NVD

Description

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/91451
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3016-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-3
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-4
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-3
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3019-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3020-1
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1349886
Source: secalert@redhat.com
Issue Tracking Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1847.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1875.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1883.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2017-0036.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3607
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/06/24/5
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/91451
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036171
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3016-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-3
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-4
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-3
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3019-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3020-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1349886
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

54 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.1 / 10.0
EPSS (Exploit Probability)
1.5%
81th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

canonical oracle linux