finally got around to upgrading my own netbook for the recent vulnerability. I got the dreaded error: Unpacking libc6-dev-amd64 (2.21-9) over (2.19-17) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-dev-amd64_2.21-9_i386.deb (--unpack):
trying to overwrite '/usr/include/sys/xattr.h', which is also in package libc6-dev-i386:amd64 2.21-9
tried various combinations of installing and removing packages with no success, then finally: sudo apt-get -t stable -f install. it worked.
whew.
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