CVE-2024-1298

EDK2 contiene una vulnerabilidad cuando se activa la suspensión de S3 donde un atacante puede causar una división por cero debido a un desbordamiento de UNIT32 a través del acceso local. Una explotación exitosa de esta vulnerabilidad puede provocar una pérdida de disponibilidad.

A divide-by-zero vulnerability was found in edk2. A successful exploit of this vulnerability may lead to a loss of availability.

This update for ovmf fixes the following issues. Potential division-by-zero crash in edk2 due to UINT32 overflow in S3 ResumeCount. Out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. Buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. Out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. Infinite loop in edk2 when parsing unknown options in the Destination Options header. Infinite loop in edk2 when parsing PadN options in the Destination Options header. Buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. Buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. Predictable TCP Initial Sequence Numbers in edk2 network packages. Use of a weak pseudorandom number generator in edk2.