Sensitive data disclosure via uninitialized BusLogic memory
Published Oct 15, 2024 · Updated Mar 18, 2025
Information disclosure in Oracle VM VirtualBox before 7.0.22 and before 7.1.2 allows local users to read sensitive hypervisor data. The BusLogic module accesses memory without properly initializing it first, exposing residual contents to code running in a guest. Exploitation requires high-privileged code execution in that guest; the disclosure can aid a separate flaw in reaching hypervisor execution.
Summary
What happened
Information disclosure in Oracle VM VirtualBox before 7.0.22 and before 7.1.2 allows local users to read sensitive hypervisor data. The BusLogic module accesses memory without properly initializing it first, exposing residual contents to code running in a guest. Exploitation requires high-privileged code execution in that guest; the disclosure can aid a separate flaw in reaching hypervisor execution.
The record
- CVE
- CVE-2024-21273
- Published
- Oct 15, 2024
- Updated
- Mar 18, 2025
- Vendor
- Oracle Corporation
- Product
- Oracle VM VirtualBox
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Oct 15, 2024CVE publishedPublication date reported by the CVE source.
- Mar 18, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=* <7.0.22
- Affected versionversion=* <7.1.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
No sourced classifications are available.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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