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CVE-2011-4086 Detail

Description

The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.


Metrics

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CVSS 4.0 Severity and Vector Strings:

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

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%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
http://rhn.redhat.com/errata/RHSA-2012-0571.html
http://rhn.redhat.com/errata/RHSA-2012-0670.html
http://www.debian.org/security/2012/dsa-2469
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1
https://bugzilla.redhat.com/show_bug.cgi?id=749143
https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-4086
NVD Published Date:
07/03/2012
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.