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From: tlyu@mit.edu
Subject: git commit

Fix kadm5/gssrpc XDR double free [CVE-2014-9421]

[MITKRB5-SA-2015-001] In auth_gssapi_unwrap_data(), do not free
partial deserialization results upon failure to deserialize. This
responsibility belongs to the callers, svctcp_getargs() and
svcudp_getargs(); doing it in the unwrap function results in freeing
the results twice.

In xdr_krb5_tl_data() and xdr_krb5_principal(), null out the pointers
we are freeing, as other XDR functions such as xdr_bytes() and
xdr_string().

(cherry picked from commit a197e92349a4aa2141b5dff12e9dd44c2a2166e3)

https://github.com/krb5/krb5/commit/771228aafa71f472578931b798c9e159a79d196e
Author: Greg Hudson <ghudson@mit.edu>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 771228aafa71f472578931b798c9e159a79d196e
Branch: krb5-1.12
src/lib/kadm5/kadm_rpc_xdr.c | 2 ++
src/lib/rpc/auth_gssapi_misc.c | 1 -
2 files changed, 2 insertions(+), 1 deletions(-)