Vulnerability Monitor

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CVE-2020-35506

A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.

Published

2021-05-28T11:15:07.830

Last Modified

2024-11-21T05:27:27.137

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-416
  • Type: Secondary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu < 6.0.0 Yes
References