RHBA-2012:0193 - Bug Fix Advisory

Topic

Updated libdhcp packages that fix three bugs are now available for Red Hat
Enterprise Linux 5.

Description

libdhcp enables programs to invoke and control the Dynamic Host Configuration
Protocol (DHCP) clients: the Internet Software Consortium (ISC) Internet
Protocol version 4 (IPv4) DHCP client library, libdhcp4client, and the Internet
Protocol version 6 (IPv6) DHCPv6 client library, libdhcp6client.

This update fixes the following bug:

• Prior to this update, interface card (NIC) indexes were interrupted internally

due to a cache iteration error in libdhcp. The update ensures that the
interfaces are enumerated sequentially so that there are no index gaps. Now,
libdhcp works as expected. (BZ#599633)

• Prior to this update, interfaces that were enabled at boot time had, under

certain circumstances, invalid flags like DEBUG PROMISC or ALLMULTI. This
update no longer passes these flags. (BZ#616865)

• Prior to this update, the libdhcp timeout was not correctly passed. As a

result certain requests always stopped after 60 seconds even if the
corresponding command line option allowed for more time. This update correctly
passes the dhcp timeout value to the dhcp client library. This update is a
dependency of BZ#736515 and BZ#737161. (BZ#737155)

All users of libdhcp are advised to upgrade to these updated packages, which fix
these bugs.

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
https://access.redhat.com/kb/docs/DOC-11259

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 - 599633 - libdhcp don't work if nics indexes are not uninterruptedly.

CVEs

(none)

References

(none)