Synopsis

libnl bug fix update

Type/Severity

Bug Fix Advisory

Topic

Updated libnl packages that fix several bugs are now available for Red Hat
Enterprise Linux 6.

Description

The libnl packages contain a convenience library to simplify using the Linux
kernel's Netlink sockets interface for network manipulation.

This update fixes the following bugs:

• When a domain was started using the libvirt client libraries and utilities, a
  memory leak was triggered from the libnl library because libnl continued to use
  memory that was no longer in use. With this update, memory leaks in libnl are
  fixed, and libnl releases memory after it completes its usage. (BZ#682240)
  
• Prior to this update, libnl's error handling made generous use of the
  strerror() function. Nevertheless, the strerror() function was not threadsafe,
  and it was possible for multiple threads in an application to call libnl. With
  this update, all the occurrences of strerror() are replaced with a call to the
  strerror_r() function that puts the message into a thread-local static buffer.
  (BZ#689559)
  
• When the max_vfs parameter of the igb module, which allocates the maximum
  number of Virtual Functions, was set to any value greater than 50,50 on a KVM
  (Kernel-based Virtual Machine) host, the guest failed to start with the
  following error messages:
  

error : virNetDevParseVfConfig:1484 : internal error missing
IFLA_VF_INFO in netlink response

error : virFileReadAll:457 : Failed to open file
'/var/run/libvirt/qemu/eth0_vf0': No such file or directory
error : virFileReadAll:457 : Failed to open file
'/var/run/libvirt/qemu/eth1_vf0': No such file or directory

This update increases the default receive buffer size to allow receiving of
Netlink messages that exceed the size of a memory page. Thus, guests are able to
start on the KVM host, and error messages no longer occur in the described
scenario. (BZ#953339)

Users of libnl 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/site/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386

Fixes

• BZ - 682240 - multiple memory leaks in libnl
• BZ - 689559 - libnl's error handling uses strerror, which is not threadsafe

CVEs

(none)

References

(none)

Red Hat Enterprise Linux Server 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
x86_64
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-1.1.4-2.el6.x86_64.rpm	SHA-256: fe60f9c1072eace8c09a99e4606cb59b412eda1d201f7ff10a06fb95ba4ed3c7
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c
libnl-devel-1.1.4-2.el6.x86_64.rpm	SHA-256: 7b3b749044325b2b69cdcb64465841a492553e14c06fb7277a2208872d1bcae5
i386
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c

Red Hat Enterprise Linux Workstation 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
x86_64
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-1.1.4-2.el6.x86_64.rpm	SHA-256: fe60f9c1072eace8c09a99e4606cb59b412eda1d201f7ff10a06fb95ba4ed3c7
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c
libnl-devel-1.1.4-2.el6.x86_64.rpm	SHA-256: 7b3b749044325b2b69cdcb64465841a492553e14c06fb7277a2208872d1bcae5
i386
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c

Red Hat Enterprise Linux Desktop 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
x86_64
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-1.1.4-2.el6.x86_64.rpm	SHA-256: fe60f9c1072eace8c09a99e4606cb59b412eda1d201f7ff10a06fb95ba4ed3c7
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c
libnl-devel-1.1.4-2.el6.x86_64.rpm	SHA-256: 7b3b749044325b2b69cdcb64465841a492553e14c06fb7277a2208872d1bcae5
i386
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
s390x
libnl-1.1.4-2.el6.s390.rpm	SHA-256: 8192bad0c0e61d868bb5cb0527c4b035cd393c4dd1a1ca6593a4e78661099f0f
libnl-1.1.4-2.el6.s390x.rpm	SHA-256: bb4bc5bad76c188606fc067b1286ae8145ea2a4a3e05a55b9fd41a9deb0227a0
libnl-debuginfo-1.1.4-2.el6.s390.rpm	SHA-256: 33fbd83767a3f27555ccc5ffd229b352d54ef31640e9c042cda538d4e5906c86
libnl-debuginfo-1.1.4-2.el6.s390x.rpm	SHA-256: 5fc9129c6053cd1e96a7ab1a68586120dab2ac19b712db8a813a1a394a06567a
libnl-devel-1.1.4-2.el6.s390.rpm	SHA-256: 72450b6f211182786a3bba7afb51e6147d5d52cdb61323734590ca363fb7431f
libnl-devel-1.1.4-2.el6.s390x.rpm	SHA-256: d58d16a5231b7ac4960f61509bea6d4f16e1215b396a4efa8037685507785bcc

Red Hat Enterprise Linux for Power, big endian 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
ppc64
libnl-1.1.4-2.el6.ppc.rpm	SHA-256: 47f6c8f577d19ea819016bdf39982ec339cece2778ea889345afb5a3ec21ec12
libnl-1.1.4-2.el6.ppc64.rpm	SHA-256: f62b3e17a987944b58b2c471540890bb3e8195f5a20d0c59c1411b993a349e1c
libnl-debuginfo-1.1.4-2.el6.ppc.rpm	SHA-256: 0292d69122b60c602604e6275a55145f254a2ebefe7849d589f332c0d449486e
libnl-debuginfo-1.1.4-2.el6.ppc64.rpm	SHA-256: 64813d6bd0e5242505205593b9fa690710738880efd5e8984b166c5a0f61092e
libnl-devel-1.1.4-2.el6.ppc.rpm	SHA-256: 36de306731ff53eaa255fd59c2f42866a56527ade09112ddfc11e57f7956b3f6
libnl-devel-1.1.4-2.el6.ppc64.rpm	SHA-256: 9fa3c99b9604995dc55adc2122199f4dffbb6f2071835c2e57298ff74ca6dbd7

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
x86_64
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-1.1.4-2.el6.x86_64.rpm	SHA-256: fe60f9c1072eace8c09a99e4606cb59b412eda1d201f7ff10a06fb95ba4ed3c7
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c
libnl-devel-1.1.4-2.el6.x86_64.rpm	SHA-256: 7b3b749044325b2b69cdcb64465841a492553e14c06fb7277a2208872d1bcae5

Red Hat Enterprise Linux Server from RHUI 6

SRPM
libnl-1.1.4-2.el6.src.rpm	SHA-256: 97eb9038580a329760f38643231b5a9f3d068ac2d2e46a734217700589b424c8
x86_64
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-1.1.4-2.el6.x86_64.rpm	SHA-256: fe60f9c1072eace8c09a99e4606cb59b412eda1d201f7ff10a06fb95ba4ed3c7
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-debuginfo-1.1.4-2.el6.x86_64.rpm	SHA-256: 0e92616d8a7cfbb6b5ff3087ea0f336255681e7b2a6dd67d5164ab02d2dd91b6
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c
libnl-devel-1.1.4-2.el6.x86_64.rpm	SHA-256: 7b3b749044325b2b69cdcb64465841a492553e14c06fb7277a2208872d1bcae5
i386
libnl-1.1.4-2.el6.i686.rpm	SHA-256: f63e0a6c17ce06a02e81cf4631a590bf66e0932417b03b1718a832c2d8fc2d03
libnl-debuginfo-1.1.4-2.el6.i686.rpm	SHA-256: 56c87813a6e4d1bf549e364685f6f73ac801f8df23a55b21a33a7bc2c16645d5
libnl-devel-1.1.4-2.el6.i686.rpm	SHA-256: 20db21f92d0069dd7a81cece8ecfb7aa1ca6477d3b1c43f14cd8070e810b7e1c