CVE-2024-45819 - CVE House
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Status published Unknown CVE-2024-45819

libxl leaks data to PVH guests via ACPI tables

Vulnerability Description

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prior contents.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • This issue was discovered by Jason Andryuk of AMD.

References

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Affected Vendor

Affected Software

Xen
Vulnerable Versions:
consult Xen advisory XSA-464

Timeline

Official Publish: December 19th, 2024
Last Modified: December 31st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.