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authorDan Carpenter <dan.carpenter@oracle.com>2013-10-03 00:27:20 +0300
committerDavid S. Miller <davem@davemloft.net>2013-10-03 16:05:14 -0400
commit1661bf364ae9c506bc8795fef70d1532931be1e8 (patch)
tree2ce62724a9931016cbbdb1bb94bc140012524c71 /kernel/audit.c
parent196896d4bb297e3ff24e62b2bfc22bbed7a28431 (diff)
downloadlinux-1661bf364ae9c506bc8795fef70d1532931be1e8.tar.bz2
net: heap overflow in __audit_sockaddr()
We need to cap ->msg_namelen or it leads to a buffer overflow when we to the memcpy() in __audit_sockaddr(). It requires CAP_AUDIT_CONTROL to exploit this bug. The call tree is: ___sys_recvmsg() move_addr_to_user() audit_sockaddr() __audit_sockaddr() Reported-by: Jüri Aedla <juri.aedla@gmail.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/audit.c')
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