CVE-2010-2784

What it is

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

At a glance

Exploitability

Can be exploited locally on the machine with a login. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2010-08-24 18:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:21 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 6.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-08-24 18:00 UTC

Last modified

2026-06-16 23:21 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Redhat Enterprise Virtualization 2.2
• Redhat Kvm 83

Attack profile CVSS 2.0 · 6.6

Attack vector

Local

Complexity

Medium

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2010-2784.md and follow it. Check whether this project is affected by CVE-2010-2784. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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