nixpkgs/pkgs/applications/virtualization/qemu/cve-2014-0150.patch
2014-04-28 14:37:46 +02:00

15 lines
555 B
Diff

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 439477b..33bd233 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
<at> <at> -677,7 +677,7 <at> <at> static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd,
goto error;
}
- if (in_use + mac_data.entries <= MAC_TABLE_ENTRIES) {
+ if (mac_data.entries <= MAC_TABLE_ENTRIES - in_use) {
s = iov_to_buf(iov, iov_cnt, 0, &macs[in_use * ETH_ALEN],
mac_data.entries * ETH_ALEN);
if (s != mac_data.entries * ETH_ALEN) {