Integer Overflow in net_tx_pkt_init Function in QEMU: Denial of Service via Unchecked Multiplication and NULL Pointer Dereference

Integer Overflow in net_tx_pkt_init Function in QEMU: Denial of Service via Unchecked Multiplication and NULL Pointer Dereference

CVE-2016-6888 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.

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