CVE-2015-4170
Linux TTY Race Condition DoS
Description
Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.
INFO
Published Date :
May 2, 2016, 10:59 a.m.
Last Modified :
Nov. 12, 2017, 2:29 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2015-4170 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2015-4170
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2015-4170.
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-2015-4170 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-4170 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 12, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/74820 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html -
Modified Analysis by [email protected]
Aug. 29, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:3.13.3:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:3.13.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.1_ppc64le:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.1_ppc64:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.1_s390x:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.1:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:* Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203ae No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203ae Vendor Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2016:1395 No Types Assigned https://access.redhat.com/errata/RHSA-2016:1395 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1218879 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1218879 VDB Entry, Issue Tracking -
CVE Modified by [email protected]
Jul. 19, 2016
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2016:1395 -
Modified Analysis by [email protected]
May. 09, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:3.13.3:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xz No Types Assigned https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xz Patch Added CWE CWE-362 -
Initial Analysis by [email protected]
May. 07, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-4170 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-2015-4170
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.41536
percentile