Integer overflow

2024-02-2018:15:00

PRIOn knowledge base

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qemu

integer underflow

buffer overflow

ti command

async_len

nvd

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.6%

JSON

QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI command when an expected non-DMA transfer length is less than the length of the available FIFO data. This occurs in esp_do_nodma in hw/scsi/esp.c because of an underflow of async_len.