CVE-2024-24474

2024-02-2000:00:00

mitre

github.com

qemu

integer underflow

buffer overflow

ti command

dma transfer

fifo data

async_len

AI Score

6.8

Confidence

High

SSVC

Exploitation

poc

Automatable

Technical Impact

total

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*"
    ],
    "vendor": "qemu",
    "product": "qemu",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "8.2.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]