RHBA-2013:0022 - Bug Fix Advisory

Topic

Updated glibc packages that fix several bugs and add various enhancements are
now available for Red Hat Enterprise Linux 5.

Description

The glibc packages provide the standard C and standard math libraries used by
multiple programs on the system. Without these libraries, the Linux system
cannot function correctly.

These updated glibc packages include numerous bug fixes and enhancements. Space
precludes documenting all of these changes in this advisory. Users are directed
to the Red Hat Enterprise Linux 5.9 Technical Notes for information on the most
significant of these changes:

https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/5/html/5.9_Technical_Notes/glibc.html#RHBA-2013-0022

All users of glibc are advised to upgrade to these updated packages, which
provide numerous bug fixes and enhancements.

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/knowledge/articles/11258

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 - 500767 - makedbm allows NIS group records of 1024 bytes to create glibc error on NIS clients
• BZ - 639000 - Wrong Ukrainian currency symbol
• BZ - 641094 - [RFE] remove MAP_32BIT in pthread_create()
• BZ - 657266 - Finnish locale includes unnecessary, confusing trailing spaces in the abbreviated months
• BZ - 657588 - Short month names in the zh_CN locale contain space
• BZ - 692182 - sysconf(_SC_*CACHE) returns 0 for all caches on some CPUs.
• BZ - 703239 - Space after nameserver entry in /etc/resolv.conf causes failed DNS lookups with ping6
• BZ - 757887 - memory corruption from regex in some locales
• BZ - 759341 - strange pthread/fork deadlock
• BZ - 766832 - POWER4 strncmp crashes reading past zero byte
• BZ - 784646 - Rebuild of glibc on i386 with debuginfos fails
• BZ - 795896 - [RFE] [RHEL 5.9 FEAT] Kernel VDSO support - glibc part
• BZ - 797096 - glibc: unbound alloca use in glob_in_dir
• BZ - 800240 - MALLOC_ARENA_MAX=1 does not work in RHEL 5.8
• BZ - 808342 - segfault when running ld.so --verify on some DSO's in current working directory
• BZ - 849202 - Fix races in glibc's intl/ testsuite

CVEs

• CVE-2012-6686

References

• https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/5/html/5.9_Technical_Notes/glibc.html#RHBA-2013-0022