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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2012-07-03T16:00:00

Updated: 2024-08-06T23:53:32.777Z

Reserved: 2011-10-18T00:00:00

Link: CVE-2011-4086

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-07-03T16:40:31.020

Modified: 2023-02-13T01:21:17.457

Link: CVE-2011-4086

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-01-25T00:00:00Z

Links: CVE-2011-4086 - Bugzilla