National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-1961 Detail

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.

Source:  MITRE
Description Last Modified:  06/07/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

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

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:2.6.27.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29:git1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29:rc2_git7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29:rc8-kk:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29.rc1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29.rc2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.29.rc2-git1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc2:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

1 change record found - show changes

Quick Info

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