Public Date:
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 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

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

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 2012-09-19
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:0223 2013-02-05
Red Hat Enterprise Linux version 5 (kernel) RHSA-2013:1348 2013-09-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Not affected


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