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CVE Database

CVE-2009-2407

Impact:Important (classification)
Public:July 28 2009
Bugzilla: 512885: CVE-2009-2407 kernel: ecryptfs heap overflow in parse_tag_3_packet()

Details

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.

Find out more about CVE-2009-2407 from the MITRE CVE dictionary and NIST NVD.


Statement

The Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG did not include support for eCryptfs, and therefore are not affected by this issue.

Red Hat Enterprise Linux 5 was vulnerable to this issue and was addressed via: https://rhn.redhat.com/errata/RHSA-2009-1193.html


CVSS v2 metrics

Base Score:7.2Base Metrics:AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector:Local Confidentiality Impact:Complete
Access Complexity:Low Integrity Impact:Complete
Authentication:None 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 version 5 (kernel)RHSA-2009:1193August 04 2009
Red Hat Enterprise Linux EUS (v. 5.3 server) (kernel)RHSA-2009:1193August 04 2009

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.