CVE-2011-4086
Linux JBD2 Denial of Service Vulnerability
Description
The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.
INFO
Published Date :
July 3, 2012, 4:40 p.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.9
Exploitability Score :
3.9
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-2011-4086.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-4086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-4086 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Added Reference http://rhn.redhat.com/errata/RHSA-2012-0571.html Added Reference http://rhn.redhat.com/errata/RHSA-2012-0670.html Added Reference http://secunia.com/advisories/48898 Added Reference http://secunia.com/advisories/48964 Added Reference http://www.debian.org/security/2012/dsa-2469 Added Reference http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=749143 Added Reference https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=15291164b22a357cb211b618adfef4fa82fc0de3 [No Types Assigned] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 29, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2012/dsa-2469 [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2012-0670.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2012-0571.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 03, 2012
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-2011-4086 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-2011-4086
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} -0.00%
score
0.11853
percentile