#VU63787 Integer overflow in QEMU - CVE-2021-4206

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Main Vulnerability Database Vulnerabilities #VU63787

#VU63787 Integer overflow in QEMU - CVE-2021-4206

Published: May 30, 2022 / Updated: May 30, 2022


Vulnerability identifier: #VU63787
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-4206
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a local user to escalate privileges on the target system.

The vulnerability exists due to integer overflow in the cursor_alloc() function in the QXL display device emulation in QEMU. A privileged user can crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.


Remediation

Install updates from vendor's website.

External links