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Red Hat: RHSA-2010:0382-01 Important: Xorg Memory Corruption Risk

red hat
Calendar Grey June 5, 2010
Dist Redhat Esm H88
The latest advisory from Red Hat highlights critical updates to the xorg-x11-server components, aimed at mitigating a major security vulnerability that affects RHEL 5.
Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 5

Solution

Before applying this update, make sure all previously-released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at

Summary

X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.
An incorrect calculation flaw was discovered in the X.Org Render extension. A malicious, authorized client could exploit this issue to crash the X.Org server or, potentially, execute arbitrary code with root privileges. (CVE-2010-1166)
Users of xorg-x11-server should upgrade to these updated packages, which contain a backported patch to resolve this issue. All running X.Org server instances must be restarted for this update to take effect.

Topics%20covered

Topics Covered

security advisory Red Hat memory corruption important update xorg-x11-server

References

https://access.redhat.com/security/cve/CVE-2010-1166 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
i386: xorg-x11-server-Xdmx-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xephyr-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xnest-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xorg-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xvfb-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xvnc-source-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-debuginfo-1.1.1-48.76.el5_5.1.i386.rpm
x86_64: xorg-x11-server-Xdmx-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-Xephyr-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-Xnest-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-Xorg-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-Xvfb-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-Xvnc-source-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-debuginfo-1.1.1-48.76.el5_5.1.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
i386: xorg-x11-server-debuginfo-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-sdk-1.1.1-48.76.el5_5.1.i386.rpm
x86_64: xorg-x11-server-debuginfo-1.1.1-48.76.el5_5.1.x86_64.rpm xorg-x11-server-sdk-1.1.1-48.76.el5_5.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
i386: xorg-x11-server-Xdmx-1.1.1-48.76.el5_5.1.i386.rpm xorg-x11-server-Xephyr-1.1.1-48.76.el5_5.1.i386.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2010:0382-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2010:0382.html
Issue date: 2010-04-28

Topic

Updated xorg-x11-server packages that fix one security issue are nowavailable for Red Hat Enterprise Linux 5.The Red Hat Security Response Team has rated this update as havingimportant security impact. A Common Vulnerability Scoring System (CVSS)base score, which gives a detailed severity rating, is available from theCVE link in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat memory corruption important update xorg-x11-server

Relevant Releases Architectures

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Bugs Fixed

495733 - Xorg crashes with latest firefox

582601 - CVE-2010-1166 Xorg: X server Render extension memory corruption

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