aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorPetr Matousek <pmatouse@redhat.com>2014-09-18 08:35:37 +0200
committerPeter Maydell <peter.maydell@linaro.org>2014-09-23 19:15:05 +0100
commit01f7cecf0037997cb0e58ec0d56bf9b5a6f7cb2a (patch)
treea3bb364b0bcc76ffcb54ed0acaa0f39fd382e997 /hw
parent769188d3bbf95ce8d96a335624234dad083f4db6 (diff)
slirp: udp: fix NULL pointer dereference because of uninitialized socket
When guest sends udp packet with source port and source addr 0, uninitialized socket is picked up when looking for matching and already created udp sockets, and later passed to sosendto() where NULL pointer dereference is hit during so->slirp->vnetwork_mask.s_addr access. Fix this by checking that the socket is not just a socket stub. This is CVE-2014-3640. Signed-off-by: Petr Matousek <pmatouse@redhat.com> Reported-by: Xavier Mehrenberger <xavier.mehrenberger@airbus.com> Reported-by: Stephane Duverger <stephane.duverger@eads.net> Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Message-id: 20140918063537.GX9321@dhcp-25-225.brq.redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
0 files changed, 0 insertions, 0 deletions