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sctp: Make sure N * sizeof(union sctp_addr) does not overflow. (CVE-2008-2826)
authorDavid S. Miller <davem@davemloft.net>
Sat, 19 Jul 2008 20:30:57 +0000 (23:30 +0300)
committerAdrian Bunk <bunk@kernel.org>
Sat, 19 Jul 2008 20:31:06 +0000 (23:31 +0300)
commit423044bed36af8792ea9e861a2fa33ed52a8fcbd
tree75881c793a109909bb1150c9efe5fe0620c30908tree | snapshot
parenta203d3ccd131487b38094c3f5f4fb4f2fed593d7commit | diff
sctp: Make sure N * sizeof(union sctp_addr) does not overflow. (CVE-2008-2826)

As noticed by Gabriel Campana, the kmalloc() length arg
passed in by sctp_getsockopt_local_addrs_old() can overflow
if ->addr_num is large enough.

Therefore, enforce an appropriate limit.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
net/sctp/socket.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git