Public Date:
824345: CVE-2012-2390 kernel: huge pages: memory leak on mmap failure

The MITRE CVE dictionary describes this issue as:

Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations.

Find out more about CVE-2012-2390 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 as they did not include the upstream commit 84afd99b that introduced this issue. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue. This has been addressed in Red Hat Enterprise Linux Red Hat Enterprise MRG 2 via

CVSS v2 metrics

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

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
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
Red Hat Enterprise Linux version 6 (kernel) RHSA-2012:1304 2012-09-25
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:1150 2012-08-08

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel Not affected