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CVE Database

CVE-2009-4131

Impact: Important
Public: 2009-12-09
CWE: CWE-863
Bugzilla: 544471: CVE-2009-4131 kernel: ext4: Fix insufficient checks in EXT4_IOC_MOVE_EXT
IAVA: 2010-A-0001

Details

The MITRE CVE dictionary describes this issue as:

The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.

Find out more about CVE-2009-4131 from the MITRE CVE dictionary and NIST NVD.

Statement

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 and Red Hat Enterprise MRG. Those versions do not include the upstream patch that introduced this vulnerability.

CVSS v2 metrics

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

Base Score: 7.2
Base Metrics: AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector: Local
Access Complexity: Low
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

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.