What is CVE-2016-4998?

CVE-2016-4998 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2016-4998 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-4998?

CVE-2016-4998 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2016-4998?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-4998 patch availability.

Is CVE-2016-4998 actively exploited?

CVE-2016-4998 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2016-4998

High

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.

Package Linux Kernel

Published 2016-07-03

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2016-4998 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

27 total

GitHub
https://github.com/torvalds/linux/commit/6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91

Patch Vendor Advisory
Kernel Git
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-1847.html

Showing 5 of 27 references View all on NVD

Details

CVE ID CVE-2016-4998

Severity High

CVSS score 7.1 / 10

CVSS version 3.0

Published 2016-07-03

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-4998?

CVE-2016-4998 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2016-4998 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-4998?

CVE-2016-4998 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2016-4998?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-4998 patch availability.
Is CVE-2016-4998 actively exploited?

No. CVE-2016-4998 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.