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CVE Database

CVE-2011-4077

Impact: Moderate
Public: 2011-04-08
Bugzilla: 749156: CVE-2011-4077 kernel: xfs: potential buffer overflow in xfs_readlink()

Details

The MITRE CVE dictionary describes this issue as:

Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname.

Find out more about CVE-2011-4077 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not include support for XFS filesystem. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0007.html, https://rhn.redhat.com/errata/RHSA-2012-0350.html, and https://rhn.redhat.com/errata/RHSA-2012-0333.html.

CVSS v2 metrics

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
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:0333 February 23, 2012
Red Hat Enterprise Linux version 5 (kernel) RHSA-2012:0007 January 10, 2012
Red Hat Enterprise Linux version 6 (kernel) RHSA-2012:0350 March 06, 2012

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.