CVE-2009-2910

Impact:
Moderate
Public Date:
2009-10-01
Bugzilla:
526788: CVE-2009-2910 kernel: x86_64 32 bit process register leak

The MITRE CVE dictionary describes this issue as:

arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.

Find out more about CVE-2009-2910 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-2910

It has been rated as having moderate security impact.

It was addressed in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1671.html , https://rhn.redhat.com/errata/RHSA-2010-0046.html and https://rhn.redhat.com/errata/RHSA-2009-1540.html respectively.

This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important and critical impact are addressed.

For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

CVSS v2 metrics

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

Base Score 2.1
Base Metrics AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

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 4 (kernel) RHSA-2009:1671 2009-12-15
MRG Grid for RHEL 5 Server (kernel-rt) RHSA-2009:1540 2009-11-03
Red Hat Enterprise Linux 5 (kernel) RHSA-2010:0046 2010-01-19

Last Modified