25 lines
769 B
Diff
25 lines
769 B
Diff
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From: Fabian Vogt <fvogt@suse.com>
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Date: 2019-04-04 13:41:59 +0200
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Subject: 'iptables -L' reads garbage
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References: [bsc#1106751]
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Upstream: reported (https://bugzilla.netfilter.org/show_bug.cgi?id=1331)
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This patch fixes a situation where 'iptables -L' reads garbage
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from the struct as the kernel never filled it in the bugged case.
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This can lead to issues like mapping a few TiB of memory
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---
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Index: iptables-1.8.2/libiptc/libiptc.c
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===================================================================
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--- iptables-1.8.2.orig/libiptc/libiptc.c
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+++ iptables-1.8.2/libiptc/libiptc.c
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@@ -1305,6 +1305,7 @@ TC_INIT(const char *tablename)
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{
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struct xtc_handle *h;
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STRUCT_GETINFO info;
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+ memset(&info, 0, sizeof(info));
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unsigned int tmp;
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socklen_t s;
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int sockfd;
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