CVE - CVE-2011-4086

CVE-ID
CVE-2011-4086	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:48898 URL:http://secunia.com/advisories/48898 MISC:48964 URL:http://secunia.com/advisories/48964 MISC:DSA-2469 URL:http://www.debian.org/security/2012/dsa-2469 MISC:RHSA-2012:0571 URL:http://rhn.redhat.com/errata/RHSA-2012-0571.html MISC:RHSA-2012:0670 URL:http://rhn.redhat.com/errata/RHSA-2012-0670.html MISC:SUSE-SU-2012:0554 URL:http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html MISC:SUSE-SU-2012:0616 URL:http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 MISC:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 URL:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=749143 URL:https://bugzilla.redhat.com/show_bug.cgi?id=749143 MISC:https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3 URL:https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3
Assigning CNA
Red Hat, Inc.
Date Record Created
20111018	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20111018)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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