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CVE-2009-1961

Date: (C)2009-06-07   (M)2015-12-16
 
CVSS Score: 1.9Access Vector: LOCAL
Exploitability Subscore: 3.4Access Complexity: MEDIUM
Impact Subscore: 2.9Authentication: NONE
 Confidentiality: NONE
 Integrity: NONE
 Availability: PARTIAL











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.

Reference:
SECTRACK-1022307
BID-35143
SECUNIA-35390
SECUNIA-35394
SECUNIA-35656
SECUNIA-35847
SECUNIA-36051
DSA-1844
MDVSA-2009:135
MDVSA-2009:148
RHSA-2009:1157
SUSE-SA:2009:030
SUSE-SA:2009:031
SUSE-SA:2009:038
USN-793-1
http://www.openwall.com/lists/oss-security/2009/05/29/2
http://www.openwall.com/lists/oss-security/2009/05/30/1
http://www.openwall.com/lists/oss-security/2009/06/02/2
http://www.openwall.com/lists/oss-security/2009/06/03/1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7bfac9ecf0585962fe13584f5cf526d8c8e76f17

CPE    21
cpe:/o:linux:linux_kernel:2.6.29.3
cpe:/o:linux:linux_kernel:2.6.27.2
cpe:/o:linux:linux_kernel:2.6.27.1
cpe:/o:linux:linux_kernel:2.6.27.4
...
CWE    1
CWE-362
OVAL    8
oval:org.secpod.oval:def:400097
oval:org.secpod.oval:def:400073
oval:org.secpod.oval:def:700305
oval:org.secpod.oval:def:301231
...

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