What is CVE-2017-6214?

CVE-2017-6214 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, classified as a Infinite Loop flaw (CWE-835). CVE-2017-6214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-6214?

CVE-2017-6214 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2017-6214?

No patch is currently available for CVE-2017-6214. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-6214 actively exploited?

CVE-2017-6214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Infinite Loop (CWE-835)?

The product contains an iteration that does not exit even when it should. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/835.html

CVE-2017-6214

High

The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.

Package Linux Kernel

Published 2017-02-23

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-835

CVE-2017-6214 is a Infinite Loop vulnerability

What is Infinite Loop?

The product contains an iteration that does not exit even when it should. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-6214 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
http://www.debian.org/security/2017/dsa-3804
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11

Release Notes Vendor Advisory
Securityfocus
http://www.securityfocus.com/bid/96421
Securitytracker
http://www.securitytracker.com/id/1037897
Red Hat
https://access.redhat.com/errata/RHSA-2017:1372
Red Hat
https://access.redhat.com/errata/RHSA-2017:1615
Red Hat
https://access.redhat.com/errata/RHSA-2017:1616
Red Hat
https://access.redhat.com/errata/RHSA-2017:1647
Source
https://source.android.com/security/bulletin/2017-09-01
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82
Patch

Details

CVE ID CVE-2017-6214

Severity High

CVSS score 7.5 / 10

CVSS version 3.0

Published 2017-02-23

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-6214?

CVE-2017-6214 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as an Infinite Loop flaw (CWE-835) . CVE-2017-6214 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-6214?

CVE-2017-6214 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2017-6214?

No patch is currently available for CVE-2017-6214. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-6214 actively exploited?

No — CVE-2017-6214 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Infinite Loop (CWE-835)?

The product contains an iteration that does not exit even when it should. View CWE-835 on MITRE CWE →