ZDI-23-1810: QEMU NVMe Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Wed Dec 20 2023(Updated: )
This vulnerability allows local attackers to disclose sensitive information on affected installations of QEMU. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the NVMe virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the hypervisor.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU KVM |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-23-1810?
The severity of ZDI-23-1810 is classified as critical due to the potential for sensitive information disclosure.
How do I fix ZDI-23-1810?
To fix ZDI-23-1810, ensure you apply the latest security updates to your QEMU installation.
Who is affected by ZDI-23-1810?
ZDI-23-1810 affects installations of QEMU where attackers can execute high-privileged code.
What types of systems are vulnerable to ZDI-23-1810?
Any guest systems running QEMU with exploitable high-privileged code execution capabilities are vulnerable to ZDI-23-1810.
What could an attacker achieve by exploiting ZDI-23-1810?
An attacker exploiting ZDI-23-1810 could potentially disclose sensitive information from the affected guest system.
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- alias/ZDI-CAN-21521
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- alias/CVE-2023-4135
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