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[Bug 1352504] Re: Regression in 2.11.1-0ubuntu7.14; segfault in getservbyname

 

For all those who are hit by this and need to get their production
server up again ASAP, here's an emergency workaround (downgrading libc6
to 2.11.1-0ubuntu7.13):

x86:
dpkg -i /var/cache/apt/archives/libc-bin_2.11.1-0ubuntu7.13_i386.deb &&
dpkg -i /var/cache/apt/archives/libc6_2.11.1-0ubuntu7.13_i386.deb

x64:
sudo dpkg -i /var/cache/apt/archives/libc-bin_2.11.1-0ubuntu7.13_amd64.deb &&
sudo dpkg -i /var/cache/apt/archives/libc6_2.11.1-0ubuntu7.13_amd64.deb

If you don't have the packages in /var/cache/apt/archives, you can get
them from http://archive.ubuntu.com/ubuntu/pool/main/e/eglibc/

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https://bugs.launchpad.net/bugs/1352504

Title:
  Regression in 2.11.1-0ubuntu7.14; segfault in getservbyname

Status in “eglibc” package in Ubuntu:
  In Progress

Bug description:
  After taking security updates to 2.11.1-0ubuntu7.14 on Lucid, calls to
  getservbyname() are causing segfaults; backtrace attached.  I suspect
  a failure in debian/patches/any/CVE-2013-4357.diff

  nscd is installed and in use as a caching layer for openldap, which
  use used for passwd, group, and shadow but not services.

  Needless to say, a security update that causes a regression which
  makes 'apt-get' segfault is quite unfortunate.

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References