Public Date:
755431: CVE-2011-4330 kernel: hfs: add sanity check for file name length

The MITRE CVE dictionary describes this issue as:

Stack-based buffer overflow in the hfs_mac2asc function in fs/hfs/trans.c in the Linux kernel 2.6 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via an HFS image with a crafted len field.

Find out more about CVE-2011-4330 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as they did not include support for the Hierarchical File System (HFS) file system. This has been addressed in Red Hat Enterprise Linux 5 via

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.2
Base Metrics AV:L/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux EUS (v. 5.6 server) (kernel) RHSA-2012:0358 2012-03-06
Red Hat Enterprise Linux version 5 (kernel) RHSA-2012:0007 2012-01-10

Affected Packages State

Platform Package State
Red Hat Enterprise Linux EUS (v. 5.6 server) kernel Affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 4 kernel Not affected


Red Hat would like to thank Clement Lecigne for reporting this issue.