CVE-2009-1961 Detail

Current Description

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
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Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Vendor Statements (disclaimer)

Official Statement from Red Hat (07/15/2009)

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and 5. It was addressed in Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1157.html

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7bfac9ecf0585962fe13584f5cf526d8c8e76f17 Exploit  Patch 
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00004.html
http://securitytracker.com/id?1022307
http://www.debian.org/security/2009/dsa-1844
http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
http://www.mandriva.com/security/advisories?name=MDVSA-2009:148
http://www.openwall.com/lists/oss-security/2009/05/29/2 Patch 
http://www.openwall.com/lists/oss-security/2009/05/30/1 Exploit  Patch 
http://www.openwall.com/lists/oss-security/2009/06/02/2 Exploit 
http://www.openwall.com/lists/oss-security/2009/06/03/1 Exploit 
http://www.redhat.com/support/errata/RHSA-2009-1157.html
http://www.securityfocus.com/bid/35143 Exploit 
http://www.ubuntu.com/usn/usn-793-1

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2009-1961
NVD Published Date:
06/07/2009
NVD Last Modified:
03/19/2012
Source:
MITRE