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CVE-2013-3232 netrom: information leak via msg_name in nr_recvmsg (rhbz 956110 956113)

This commit is contained in:
Josh Boyer 2013-04-24 08:47:10 -04:00
parent 0ebd597832
commit f36a215782
2 changed files with 42 additions and 0 deletions
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7
kernel.spec
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@ -807,6 +807,9 @@ Patch25020: rose-fix-info-leak-via-msg_name-in-rose_recvmsg.patch
#CVE-2013-3233 956125 956129
Patch25021: NFC-llcp-fix-info-leaks-via-msg_name-in-llcp_sock_re.patch
#CVE-2013-3232 956110 956113
Patch25022: netrom-fix-invalid-use-of-sizeof-in-nr_recvmsg.patch
# END OF PATCH DEFINITIONS
%endif
@ -1572,6 +1575,9 @@ ApplyPatch rose-fix-info-leak-via-msg_name-in-rose_recvmsg.patch
#CVE-2013-3233 956125 956129
ApplyPatch NFC-llcp-fix-info-leaks-via-msg_name-in-llcp_sock_re.patch
#CVE-2013-3232 956110 956113
ApplyPatch netrom-fix-invalid-use-of-sizeof-in-nr_recvmsg.patch
# END OF PATCH APPLICATIONS
%endif
@ -2429,6 +2435,7 @@ fi
# '-'
%changelog
* Wed Apr 24 2013 Josh Boyer <jwboyer@redhat.com>
- CVE-2013-3232 netrom: information leak via msg_name in nr_recvmsg (rhbz 956110 956113)
- CVE-2013-3233 NFC: llcp: info leaks via msg_name in llcp_sock_recvmsg (rhbz 956125 956129)
- CVE-2013-3234 rose: info leak via msg_name in rose_recvmsg (rhbz 956135 956139)
- CVE-2013-3076 crypto: algif suppress sending src addr info in recvmsg (rhbz 956162 956168)

35
netrom-fix-invalid-use-of-sizeof-in-nr_recvmsg.patch Normal file
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@ -0,0 +1,35 @@
From fdbf33caa22d6648227c39c48ae395fb36e4bd7f Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 9 Apr 2013 10:07:19 +0800
Subject: [PATCH] netrom: fix invalid use of sizeof in nr_recvmsg()
Upstream c802d759623acbd6e1ee9fbdabae89159a513913
sizeof() when applied to a pointer typed expression gives the size of the
pointer, not that of the pointed data.
Introduced by commit 3ce5ef(netrom: fix info leak via msg_name in nr_recvmsg)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Conflicts:
net/netrom/af_netrom.c
---
net/netrom/af_netrom.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7261eb8..f334fbd 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1177,6 +1177,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
}
if (sax != NULL) {
+ memset(sax, 0, sizeof(*sax));
sax->sax25_family = AF_NETROM;
skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
AX25_ADDR_LEN);
--
1.8.1.4