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CVE Database

CVE-2012-2373

Impact: Moderate
Public: 2012-05-17
Bugzilla: 822821: CVE-2012-2373 kernel: mm: read_pmd_atomic: 32bit PAE pmd walk vs pmd_populate SMP race condition

Details

The MITRE CVE dictionary describes this issue as:

The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.

Find out more about CVE-2012-2373 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG. Kernel update RHSA-2012:0743 https://rhn.redhat.com/errata/RHSA-2012-0743.html for Red Hat Enterprise Linux 6 did address this issue.

CVSS v2 metrics

Base Score: 4
Base Metrics: AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector: Local
Access Complexity: High
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-2012:0743 June 18, 2012

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.