[ELDK] glibc getaddrinfo() bug (CVE-2015-7547)

Marek Vasut marex at denx.de
Wed Apr 13 00:15:00 CEST 2016

On 04/11/2016 11:00 PM, Albrecht Dreß wrote:
> Am 19.02.16 08:44 schrieb(en) Wolfgang Denk:
>> Thanks for bringing this up, and thanks in advance for any potential
>> patches :-)
> Just a dumb question - as I still use ELDK 5.4, I had the idea to get
> the latest CentOS 7 source rpm including the critical fixes for the same
> glibc version (2.17), and to just cross-compile the patched sources. 
> However, this process failed, for the e500v2 first with some strange asm
> errors, and after I added "--without-fp" (although I want SPE hw float,
> not fp emulation...) to configure, with linker errors regarding memmove
> etc.  I didn't try the MPC5200 version yet.
> Would it be possible to get a usable glibc so using this process?  Any
> idea about the "proper" configure args?

I'd just spin a dumb docker container or virtual machine with some
old(er) version of centos/ubuntu/redhat/fedora/whatever, add necessary
patches to the eldk 5.4 codebase and rebuild whatever images you need.
That seem to be the most straightforward and least problem-prone way to
go about it.

> Cheers
> Albrecht.
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Best regards,
Marek Vasut

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