CVE-2017-6346
"Linux AF_Packet Race Condition Use After Free Denial of Service Vulnerability"
Description
Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.
INFO
Published Date :
March 1, 2017, 8:59 p.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel packages to a patched version.
- Apply the appropriate vendor-supplied patches.
Public PoC/Exploit Available at Github
CVE-2017-6346 has a 2 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-2017-6346.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-6346 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-2017-6346
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).
[ICSE 2022] Controlled Concurrency Testing via Periodical Scheduling
concurrency-testing concurrency-control
Dockerfile C Makefile Shell Roff C++ HTML Perl M4 Ruby
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-2017-6346 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-6346 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=d199fab63c11998a602205f7ee7ff7c05c97164b Added Reference http://www.debian.org/security/2017/dsa-3804 Added Reference http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 Added Reference http://www.openwall.com/lists/oss-security/2017/02/28/6 Added Reference http://www.securityfocus.com/bid/96508 Added Reference https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b 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 -
Modified Analysis by [email protected]
Jun. 21, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b Patch, Vendor Advisory Changed Reference Type http://www.debian.org/security/2017/dsa-3804 No Types Assigned http://www.debian.org/security/2017/dsa-3804 Third Party Advisory Changed Reference Type http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 Patch, Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 Patch, Release Notes, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/96508 No Types Assigned http://www.securityfocus.com/bid/96508 Third Party Advisory, VDB Entry Changed Reference Type https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b Patch https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b Patch, Vendor Advisory Changed Reference Type https://source.android.com/security/bulletin/2017-09-01 No Types Assigned https://source.android.com/security/bulletin/2017-09-01 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.9.12 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.1 up to (excluding) 3.2.87 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 3.10.106 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.11 up to (excluding) 3.12.71 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.13 up to (excluding) 3.16.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 4.1.49 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.13 -
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]
Mar. 04, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/96508 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 02, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2017/02/28/6 No Types Assigned http://www.openwall.com/lists/oss-security/2017/02/28/6 Third Party Advisory, Mailing List, Patch Changed Reference Type http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 No Types Assigned http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 Release Notes, Patch Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b Patch Changed Reference Type https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b No Types Assigned https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b Patch Added CWE CWE-416 Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.9.12:*:*:*:*:*:*:* (and previous)
Vulnerability Scoring Details
Base CVSS Score: 7
Base CVSS Score: 6.9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.18216
percentile