Integer Overflow or Wraparound Affecting qemu-project/qemu package, versions [,6.0.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-2440677
  • published5 Apr 2022
  • disclosed28 Mar 2022
  • creditBilly Jheng Bing Jhong (@st424204)

Introduced: 28 Mar 2022

CVE-2021-4206  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 6.0.0 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound in cursor_alloc() can lead to a heap buffer overflow in the QXL display device emulation. A high privileged guest user can exploit this to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.

CVSS Scores

version 3.1