qemu
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- Author: kikadf
- Vulnerable: 1.5.2-3arcturus4
- Unaffected: 1.5.2-3arcturus5
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.