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From 170d40fe8a20eafd725b0ce3a5685e0c4b758cbf Mon Sep 17 00:00:00 2001
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From: Denis Kirjanov <denis.kirjanov@suse.com>
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Date: Fri, 28 Jan 2022 19:43:28 +0300
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Subject: [PATCH] net: tipc: validate domain record count on input
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Patch-mainline: Not yet, will be submitted upstream`
Denis Kirjanov 0369cb
References: bsc#1195254 CVE-2022-0435
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Signed-off-by: Denis Kirjanov <denis.kirjanov@suse.com>
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---
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 net/tipc/monitor.c | 2 ++
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 1 file changed, 2 insertions(+)
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diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
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index 254ddc2c3914..99fcb42d0af2 100644
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--- a/net/tipc/monitor.c
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+++ b/net/tipc/monitor.c
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@@ -463,6 +463,8 @@ void tipc_mon_rcv(struct net *net, void
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 		return;
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 	if ((dlen < new_dlen) || ntohs(arrv_dom->len) != new_dlen)
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 		return;
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+	if (new_member_cnt >= MAX_MON_DOMAIN)
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+		return;
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 	/* Synch generation numbers with peer if link just came up */
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 	if (!state->synched) {
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-- 
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2.16.4
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