Vulnerability CVE-2011-4132
Published: 2012-01-27   Modified: 2012-02-13

Description:
The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2.6 allows local users to cause a denial of service (assertion error and kernel oops) via an ext3 or ext4 image with an "invalid log first block value."

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
SUSE -> Linux enterprise server 
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8762202dd0d6e46854f786bdb6fb3780a1625efe
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://securitytracker.com/id?1026325
http://www.openwall.com/lists/oss-security/2011/11/11/6
http://www.openwall.com/lists/oss-security/2011/11/13/4
http://www.securityfocus.com/bid/50663
http://xorl.wordpress.com/2011/12/08/cve-2011-4132-linux-kernel-jbdjbd2-local-dos/
https://bugzilla.redhat.com/show_bug.cgi?id=753341
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