RHSA-2007:0595 - Security Advisory

Topic

Updated kernel packages that fix a security issue and a bug in the Red Hat
Enterprise Linux 5 kernel are now available.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

Description

The Linux kernel handles the basic functions of the operating system.

These new kernel packages contain a fix for the following security issue:

• a flaw in the signal handling on PowerPC-based systems that allowed a

local user to cause a denial of service (floating point corruption).
(CVE-2007-3107, Moderate).

In addition to the security issue described above, a fix for the following
have been included:

• a bug that can lead to data corruption with ServerWorks IDE controllers.

Red Hat Enterprise Linux 5 users are advised to upgrade to these packages,
which contain backported patches to correct these issues.

Solution

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

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

Affected Products

• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 ia64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386
• Red Hat Enterprise Linux for IBM z Systems 5 s390x
• Red Hat Enterprise Linux for Power, big endian 5 ppc
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

• BZ - 245580 - CVE-2007-3107 Data buffer miscompare on PowerPC when running HTX

CVEs

• CVE-2007-3107

References

• http://www.redhat.com/security/updates/classification/#moderate