CVE-2024-45819

Name: CVE-2024-45819
Creator: NVD / NIST
Published: 2024-12-19T12:15:16.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2024-45819 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.29%

21.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Xen	Xen	>= 4.8.0

References

https://xenbits.xenproject.org/xsa/advisory-464.htmlPatch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/7Mailing List, Third Party Advisory
http://xenbits.xen.org/xsa/advisory-464.htmlPatch, Vendor Advisory

Timeline

Published: Dec 19, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-45819?

How severe is CVE-2024-45819?

CVE-2024-45819 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45819?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45819?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST