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| author | Eric Paris <eparis@redhat.com> | 2009-11-05 20:45:52 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-05 22:18:18 -0800 |
| commit | c84b3268da3b85c9d8a9e504e1001a14ed829e94 (patch) | |
| tree | 795b4997f5610cf2e56a57ee5b1e4c2d4ca10188 /net/ipv4 | |
| parent | 3f378b684453f2a028eda463ce383370545d9cc9 (diff) | |
| download | linux-stable-c84b3268da3b85c9d8a9e504e1001a14ed829e94.tar.gz linux-stable-c84b3268da3b85c9d8a9e504e1001a14ed829e94.tar.bz2 linux-stable-c84b3268da3b85c9d8a9e504e1001a14ed829e94.zip | |
net: check kern before calling security subsystem
Before calling capable(CAP_NET_RAW) check if this operations is on behalf
of the kernel or on behalf of userspace. Do not do the security check if
it is on behalf of the kernel.
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 5c7e42c02afb..7d12c6a9b19b 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -326,7 +326,7 @@ lookup_protocol: } err = -EPERM; - if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW)) + if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW)) goto out_rcu_unlock; err = -EAFNOSUPPORT; |