CVE-2024-3567 Qemu-kvm: net: assertion failure in update_sctp_checksum()

A flaw was found in QEMU. An assertion failure was present in the updatesctpchecksum function in hw/net/nettxpkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition...

Design/Logic Flaw

The nettxpktdoswfragmentation function in hw/net/nettxpkt.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service infinite loop and QEMU process crash via a zero length for the current fragment length...