Issued:

2012-10-23

Updated:

2012-10-23

RHBA-2012:1400 - device-mapper-multipath bug fix update

Synopsis

device-mapper-multipath bug fix update

Type/Severity

Bug Fix Advisory

Topic

Updated device-mapper-multipath packages that fix two bugs are now available for Red Hat Enterprise Linux 6 Extended Update Support.

Description

The device-mapper-multipath packages provide tools for managing multipath devices using the device-mapper multipath kernel module.

This update fixes the following bugs:

• When certain multipathd threads started their operation, they did not check if the multipathd daemon was being shut down. Consequently, multipathd could terminate unexpectedly with a segmentation fault on shutdown. With this update, the multipathd threads properly quit if they detect multipathd is shutting down and the crashes no longer occur. (BZ#863462)

• Previously, multipathd was removing a map twice if it failed to create a multipath device when adding a path device. Consequently, multipathd accessed already freed memory and in some cases terminated unexpectedly when a new path device was added. With this update, multipathd no longer performs the second remove operation and the crashes no longer occur in the described scenario. (BZ#866553)

All users of device-mapper-multipath are advised to upgrade to these updated packages, which fix these bugs.

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 https://access.redhat.com/knowledge/articles/11258

Affected Products

Updated Packages

• kpartx-0.4.9-41.el6_1.7.ppc64.rpm
• kpartx-0.4.9-41.el6_1.7.x86_64.rpm
• device-mapper-multipath-0.4.9-41.el6_1.7.s390x.rpm
• device-mapper-multipath-debuginfo-0.4.9-41.el6_1.7.x86_64.rpm
• device-mapper-multipath-0.4.9-41.el6_1.7.src.rpm
• device-mapper-multipath-debuginfo-0.4.9-41.el6_1.7.s390x.rpm
• device-mapper-multipath-debuginfo-0.4.9-41.el6_1.7.i686.rpm
• device-mapper-multipath-0.4.9-41.el6_1.7.i686.rpm
• kpartx-0.4.9-41.el6_1.7.i686.rpm
• device-mapper-multipath-libs-0.4.9-41.el6_1.7.s390x.rpm
• device-mapper-multipath-debuginfo-0.4.9-41.el6_1.7.ppc64.rpm
• device-mapper-multipath-libs-0.4.9-41.el6_1.7.ppc64.rpm
• kpartx-0.4.9-41.el6_1.7.s390x.rpm
• device-mapper-multipath-0.4.9-41.el6_1.7.x86_64.rpm
• device-mapper-multipath-libs-0.4.9-41.el6_1.7.i686.rpm
• device-mapper-multipath-0.4.9-41.el6_1.7.ppc64.rpm
• device-mapper-multipath-libs-0.4.9-41.el6_1.7.x86_64.rpm

Fixes

(none)

CVEs

(none)

References

(none)

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.