CVE-2021-4206 Detail

Awaiting Analysis


This vulnerability is currently awaiting analysis.

Description

A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound Red Hat, Inc.  
CWE-131 Incorrect Calculation of Buffer Size Red Hat, Inc.  
CWE-120 Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’) Red Hat, Inc.  

Change History

0 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-4206
NVD Published Date:
04/29/2022
NVD Last Modified:
04/29/2022
Source:
Red Hat, Inc.