CVE Database


Impact: Moderate
Public: 2012-03-23
Bugzilla: 853474: CVE-2012-4398 kernel: request_module() OOM local DoS


The MITRE CVE dictionary describes this issue as:

The __request_module function in kernel/kmod.c in the Linux kernel before 3.4 does not set a certain killable attribute, which allows local users to cause a denial of service (memory consumption) via a crafted application.

Find out more about CVE-2012-4398 from the MITRE CVE dictionary and NIST NVD.


This issue does affect the versions of the Linux kernel as shipped with Red
Hat Enterprise Linux 5, 6 and Red Hat Enteprise MRG. Future kernel updates may address this flaw.

CVSS v2 metrics

Base Score: 4.7
Base Metrics: AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector: Local
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: 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
MRG Grid for RHEL 6 Server v.2 RHSA-2012:1282 September 19, 2012
Red Hat Enterprise Linux version 5 (kernel) RHSA-2013:1348 September 30, 2013
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:0223 February 05, 2013

External References


Red Hat would like to thank Tetsuo Handa for reporting this issue.

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.