Issued:
2012-07-24
Updated:
2012-07-24

RHBA-2012:1111 - 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 one bug are now available for Red Hat Enterprise Linux 6.

Description

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

This update fixes the following bug:

  • When a multipath vector (a dynamically allocated array) was resized to a smaller size, device-mapper-multipath did not reassign the pointer to the array. If the array location was changed by reducing its size, device-mapper-multipath corrupted its memory. With this update, device-mapper-multipath correctly reassigns the pointer in this scenario, and memory corruption no longer occurs. (BZ#837594)

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

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

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Extended Update Support6.3x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support6.3i386
Red Hat Enterprise Linux for Scientific Computing6x86_64
Red Hat Enterprise Linux for Power, big endian6ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support6.3ppc64
Red Hat Enterprise Linux for IBM z Systems6s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support6.3s390x
Red Hat Enterprise Linux Workstation6x86_64
Red Hat Enterprise Linux Workstation6i386
Red Hat Enterprise Linux Server6x86_64
Red Hat Enterprise Linux Server6i386
Red Hat Enterprise Linux Server from RHUI6x86_64
Red Hat Enterprise Linux Server from RHUI6i386
Red Hat Enterprise Linux Server - Extended Update Support from RHUI6.3x86_64
Red Hat Enterprise Linux Server - Extended Update Support from RHUI6.3i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems)6s390x
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)6s390x
Red Hat Enterprise Linux Desktop6x86_64
Red Hat Enterprise Linux Desktop6i386

Updated Packages

  • device-mapper-multipath-libs-0.4.9-56.el6_3.1.x86_64.rpm
  • kpartx-0.4.9-56.el6_3.1.ppc64.rpm
  • device-mapper-multipath-0.4.9-56.el6_3.1.s390x.rpm
  • device-mapper-multipath-debuginfo-0.4.9-56.el6_3.1.ppc64.rpm
  • device-mapper-multipath-libs-0.4.9-56.el6_3.1.i686.rpm
  • device-mapper-multipath-0.4.9-56.el6_3.1.src.rpm
  • device-mapper-multipath-0.4.9-56.el6_3.1.i686.rpm
  • kpartx-0.4.9-56.el6_3.1.x86_64.rpm
  • device-mapper-multipath-0.4.9-56.el6_3.1.ppc64.rpm
  • kpartx-0.4.9-56.el6_3.1.s390x.rpm
  • kpartx-0.4.9-56.el6_3.1.i686.rpm
  • device-mapper-multipath-debuginfo-0.4.9-56.el6_3.1.x86_64.rpm
  • device-mapper-multipath-libs-0.4.9-56.el6_3.1.s390x.rpm
  • device-mapper-multipath-debuginfo-0.4.9-56.el6_3.1.i686.rpm
  • device-mapper-multipath-0.4.9-56.el6_3.1.x86_64.rpm
  • device-mapper-multipath-libs-0.4.9-56.el6_3.1.ppc64.rpm
  • device-mapper-multipath-debuginfo-0.4.9-56.el6_3.1.s390x.rpm

Fixes

(none)

CVEs

(none)

References

(none)

Additional information