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CVE-2011-4086

Public on 2012-02-15
Modified on 2014-09-14
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.

Severity
Medium
See what this means
CVSS v3 Base Score
4.9
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2012-02-15 17:38 ALAS-2012-45

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C
NVD CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C