| commit | 1661bf364ae9c506bc8795fef70d1532931be1e8 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Thu Oct 03 00:27:20 2013 +0300 |
| committer | David S. Miller <davem@davemloft.net> | Thu Oct 03 16:05:14 2013 -0400 |
| tree | 2ce62724a9931016cbbdb1bb94bc140012524c71 | |
| parent | 196896d4bb297e3ff24e62b2bfc22bbed7a28431 [diff] |
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>