#VU71136 Out-of-bounds read in QEMU - CVE-2022-4144

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Main Vulnerability Database Vulnerabilities #VU71136

#VU71136 Out-of-bounds read in QEMU - CVE-2022-4144

Published: January 12, 2023


Vulnerability identifier: #VU71136
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-4144
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a malicious guest user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the qxl_phys2virt() function in the QXL display device emulation in QEMU. A malicious guest user can trigger an out-of-bounds read error and crash the QEMU process on the host


Remediation

Install updates from vendor's website.

External links