National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-4307 Detail

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).

Source:  MITRE      Last Modified:  12/12/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-4307
Original release date:
12/12/2009
Last revised:
09/18/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.1 HIGH
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (12/15/2009)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-4307 The Linux kernel packages as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG do not include support for EXT4, and therefore are not affected by this issue. A future kernel update for Red Hat Enterprise Linux 5 will address this flaw.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugzilla.kernel.org/show_bug.cgi?id=14287 Exploit; Patch External Source CONFIRM http://bugzilla.kernel.org/show_bug.cgi?id=14287
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=503358ae01b70ce6909d19dd01287093f6b6271c External Source CONFIRM http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=503358ae01b70ce6909d19dd01287093f6b6271c
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html External Source SUSE SUSE-SA:2010:001
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html External Source SUSE SUSE-SA:2010:005
http://lkml.org/lkml/2009/12/9/255 External Source MLIST [linux-kernel] 20091209 [GIT PULL] ext4 updates for v2.6.33
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log Patch External Source CONFIRM http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 External Source MANDRIVA MDVSA-2011:029
http://www.redhat.com/support/errata/RHSA-2010-0380.html External Source REDHAT RHSA-2010:0380
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9874 External Source OVAL oval:org.mitre.oval:def:9874

References to Check Content

Identifier:
oval:org.mitre.oval:def:9874
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9874

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.32:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.34:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.36:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.37:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.38:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.39:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.40:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.41:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.42:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.43:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.44:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.45:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.46:*:*:*:*:*:*:*
Showing 100 of 332 CPEs, view all CPEs here.

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