Description
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.
Scores
CVSS v3
8.8
EPSS
0.0061
EPSS Percentile
69.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-191
CWE-120
Status
published
Products (1)
qemu/qemu
< 8.2.0
Published
Feb 20, 2024
Tracked Since
Feb 18, 2026