CVE-2009-1961
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
Low
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%
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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=7bfac9ecf0585962fe13584f5cf526d8c8e76f17
lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
lists.opensuse.org/opensuse-security-announce/2009-07/msg00004.html
secunia.com/advisories/35390
secunia.com/advisories/35394
secunia.com/advisories/35656
secunia.com/advisories/35847
secunia.com/advisories/36051
securitytracker.com/id?1022307
www.debian.org/security/2009/dsa-1844
www.mandriva.com/security/advisories?name=MDVSA-2009:135
www.mandriva.com/security/advisories?name=MDVSA-2009:148
www.openwall.com/lists/oss-security/2009/05/29/2
www.openwall.com/lists/oss-security/2009/05/30/1
www.openwall.com/lists/oss-security/2009/06/02/2
www.openwall.com/lists/oss-security/2009/06/03/1
www.redhat.com/support/errata/RHSA-2009-1157.html
www.securityfocus.com/bid/35143
www.ubuntu.com/usn/usn-793-1
Related
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
Low
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%