CVE-2016-4998

Published on: 07/03/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:26:58 PM UTC

CVE-2016-4998

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Certain versions of Ubuntu Linux from Canonical contain the following vulnerability:

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.

CVE-2016-4998 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.1 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
LOCAL	LOW	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	NONE	HIGH

CVSS2 Score: 5.6 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
LOCAL	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	NONE	COMPLETE

CVE References

Description	Tags ^ⓘ	Link
USN-3018-2: Linux kernel (Trusty HWE) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3018-2
USN-3016-3: Linux kernel (Qualcomm Snapdragon) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3016-3
Red Hat Customer Portal	web.archive.org text/html Inactive LinkNot Archived	REDHAT RHSA-2016:1883
USN-3016-1: Linux kernel vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3016-1
oss-security - Linux CVE-2016-4997 (local privilege escalation) and CVE-2016-4998 (out of bounds memory access)	www.openwall.com text/html	MLIST [oss-security] 20160624 Linux CVE-2016-4997 (local privilege escalation) and CVE-2016-4998 (out of bounds memory access)
USN-3017-3: Linux kernel (Wily HWE) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3017-3
Linux Kernel Multiple Local Memory Corruption Vulnerabilities	cve.report (archive) text/html	BID 91451
Oracle Linux Bulletin - July 2016	Third Party Advisory web.archive.org text/html Inactive LinkNot Archived	CONFIRM www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
kernel/git/torvalds/linux.git - Linux kernel source tree	git.kernel.org text/html	CONFIRM git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
Oracle Linux Bulletin - October 2016	www.oracle.com text/html	CONFIRM www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
USN-3017-1: Linux kernel vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3017-1
USN-3017-2: Linux kernel (Raspberry Pi 2) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3017-2
USN-3016-4: Linux kernel (Xenial HWE) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3016-4
Red Hat Customer Portal	web.archive.org text/html Inactive LinkNot Archived	REDHAT RHSA-2016:1875
USN-3019-1: Linux kernel (Utopic HWE) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3019-1
Debian -- Security Information -- DSA-3607-1 linux	www.debian.org Depreciated Link text/html	DEBIAN DSA-3607
Oracle VM Server for x86 Bulletin - October 2016	www.oracle.com text/html	CONFIRM www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Red Hat Customer Portal	web.archive.org text/html Inactive LinkNot Archived	REDHAT RHSA-2016:1847
Red Hat Customer Portal	web.archive.org text/html Inactive LinkNot Archived	REDHAT RHSA-2017:0036
USN-3020-1: Linux kernel (Vivid HWE) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3020-1
USN-3016-2: Linux kernel (Raspberry Pi 2) vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3016-2
netfilter: x_tables: make sure e->next_offset covers remaining blob size · torvalds/[email protected] · GitHub	Patch Vendor Advisory github.com text/html	CONFIRM github.com/torvalds/linux/commit/6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
[security-announce] SUSE-SU-2016:2105-1: important: Security update for	lists.opensuse.org text/html	SUSE SUSE-SU-2016:2105
[security-announce] openSUSE-SU-2016:2184-1: important: Security update	lists.opensuse.org text/html	SUSE openSUSE-SU-2016:2184
Linux Kernel setsockopt() Bugs Let Local Users Deny Service and Gain Elevated Privileges - SecurityTracker	www.securitytracker.com text/html	SECTRACK 1036171
1349886 – (CVE-2016-4998) CVE-2016-4998 kernel: out of bounds reads when processing IPT_SO_SET_REPLACE setsockopt	Issue Tracking Third Party Advisory VDB Entry bugzilla.redhat.com text/html	CONFIRM bugzilla.redhat.com/show_bug.cgi?id=1349886
USN-3018-1: Linux kernel vulnerabilities \| Ubuntu	Third Party Advisory www.ubuntu.com text/html	UBUNTU USN-3018-1

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There are currently no QIDs associated with this CVE

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Canonical	Ubuntu Linux	12.04	All	All	All
Operating System	Canonical	Ubuntu Linux	14.04	All	All	All
Operating System	Canonical	Ubuntu Linux	15.10	All	All	All
Operating System	Canonical	Ubuntu Linux	16.04	All	All	All
Operating System	Canonical	Ubuntu Linux	12.04	All	All	All
Operating System	Canonical	Ubuntu Linux	14.04	All	All	All
Operating System	Canonical	Ubuntu Linux	15.10	All	All	All
Operating System	Canonical	Ubuntu Linux	16.04	All	All	All
Operating System	Linux	Linux Kernel	All	All	All	All
Operating System	Oracle	Linux	7	All	All	All
Operating System	Oracle	Linux	7	All	All	All

cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*:
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*:
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*:
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE