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SUSE:SLE-12-SP4:GA
glibc.33856
clntudp-call-use-after-free.patch
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File clntudp-call-use-after-free.patch of Package glibc.33856
2017-02-27 Florian Weimer <fweimer@redhat.com> [BZ #21115] * sunrpc/clnt_udp.c (clntudp_call): Free ancillary data later. Index: glibc-2.22/sunrpc/clnt_udp.c =================================================================== --- glibc-2.22.orig/sunrpc/clnt_udp.c +++ glibc-2.22/sunrpc/clnt_udp.c @@ -456,9 +456,9 @@ send_again: cmsg = CMSG_NXTHDR (&msg, cmsg)) if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_RECVERR) { - free (cbuf); e = (struct sock_extended_err *) CMSG_DATA(cmsg); cu->cu_error.re_errno = e->ee_errno; + free (cbuf); return (cu->cu_error.re_status = RPC_CANTRECV); } free (cbuf);
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