CVE-2015-8952
Linux mbcache DoS Denial of Service Vulnerability in ext2 and ext4 Filesystem
Description
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
INFO
Published Date :
Oct. 16, 2016, 9:59 p.m.
Last Modified :
Nov. 21, 2024, 2:39 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2015-8952 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-2015-8952.
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-2015-8952 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-8952 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]
Mar. 16, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3582-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3582-1/ [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 17, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.7:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/22/2 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1360968 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Third Party Advisory, VDB Entry, Issue Tracking Changed Reference Type https://lwn.net/Articles/668718/ No Types Assigned https://lwn.net/Articles/668718/ Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac No Types Assigned https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/25/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/25/4 Third Party Advisory, Patch Changed Reference Type https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 No Types Assigned https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=107301 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=107301 Third Party Advisory, Issue Tracking Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch Changed Reference Type https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee No Types Assigned https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking, Patch Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch Added CWE CWE-19 -
CVE Translated by [email protected]
Oct. 17, 2016
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 17, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.7:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/22/2 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking, Third Party Advisory, VDB Entry Changed Reference Type https://lwn.net/Articles/668718/ No Types Assigned https://lwn.net/Articles/668718/ Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac No Types Assigned https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Vendor Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/25/4 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch, Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 No Types Assigned https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking, Third Party Advisory Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch Changed Reference Type https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee No Types Assigned https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Vendor Advisory Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch Added CWE CWE-19
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-8952 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-2015-8952
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.08236
percentile