CVE-2017-6214
Linux TCP URG Flag Denial of Service
Description
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.
INFO
Published Date :
Feb. 23, 2017, 5:59 p.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update the Linux kernel packages.
- Reboot the system after the update.
Public PoC/Exploit Available at Github
CVE-2017-6214 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-6214.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-6214 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-6214
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-6214 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-6214 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82 Added Reference http://www.debian.org/security/2017/dsa-3804 Added Reference http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 Added Reference http://www.securityfocus.com/bid/96421 Added Reference http://www.securitytracker.com/id/1037897 Added Reference https://access.redhat.com/errata/RHSA-2017:1372 Added Reference https://access.redhat.com/errata/RHSA-2017:1615 Added Reference https://access.redhat.com/errata/RHSA-2017:1616 Added Reference https://access.redhat.com/errata/RHSA-2017:1647 Added Reference https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82 Added Reference https://source.android.com/security/bulletin/2017-09-01 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-399 CWE-835 -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:1647 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1616 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1615 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1372 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3804 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 09, 2017
Action Type Old Value New Value Added Reference https://source.android.com/security/bulletin/2017-09-01 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 25, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1037897 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 02, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/96421 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 24, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82 No Types Assigned https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82 Third Party Advisory, Issue Tracking, Patch Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82 Third Party Advisory, Issue Tracking, Patch Changed Reference Type http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 No Types Assigned http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 Release Notes, Vendor Advisory Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.9.10:*:*:*:*:*:*:* (and previous)
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
6.49 }} 0.08%
score
0.90577
percentile