CVE-2009-4307
Linux Kernel ext4 Divide-By-Zero Vulnerability
Description
The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
INFO
Published Date :
Dec. 13, 2009, 1:30 a.m.
Last Modified :
Nov. 21, 2024, 1:09 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.9
Exploitability Score :
8.6
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-2009-4307.
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-2009-4307 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2009-4307 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://bugzilla.kernel.org/show_bug.cgi?id=14287 Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=503358ae01b70ce6909d19dd01287093f6b6271c Added Reference http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html Added Reference http://lkml.org/lkml/2009/12/9/255 Added Reference http://secunia.com/advisories/37658 Added Reference http://secunia.com/advisories/38017 Added Reference http://secunia.com/advisories/38276 Added Reference http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 Added Reference http://www.redhat.com/support/errata/RHSA-2010-0380.html Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9874 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=503358ae01b70ce6909d19dd01287093f6b6271c [No types assigned] Removed Reference MITRE http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=503358ae01b70ce6909d19dd01287093f6b6271c -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9874 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9874 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 14, 2009
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-2009-4307 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-2009-4307
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.08 }} -0.84%
score
0.88764
percentile