Integer Overflow to Buffer Overflow Affecting qemu-project/qemu package, versions [,7.2.0-rc0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-3150409
  • published29 Nov 2022
  • disclosed19 Oct 2022
  • creditAlexander Bulekov

Introduced: 19 Oct 2022

CVE-2022-4172  (opens in a new tab)
CWE-680  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 7.2.0-rc0 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow to Buffer Overflow in the read_erst_record and write_erst_record functions, which allows the guest to overrun the host buffer allocated for the ERST memory device.

CVSS Scores

version 3.1