CVE-2020-35503

2021-06-0213:22:19

CWE-476

redhat

www.cve.org

qemu

scsi

vulnerability

denial of service

megasas-gen2

AI Score

6.3

Confidence

High

EPSS

Percentile

12.6%

JSON

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CNA Affected

[
  {
    "product": "QEMU",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All QEMU versions before and including 6.0"
      }
    ]
  }
]