Use After Free Affecting qemu-project/qemu package, versions [,7.0.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-3006871
  • published20 Jun 2022
  • disclosed20 Jun 2022
  • creditUnknown

Introduced: 20 Jun 2022

CVE-2021-3750  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 7.0.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free due to EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions (such as reset) while the device is still transferring packets.

CVSS Scores

version 3.1