CVE-2024-45819

Published: Dec 19, 2024Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Xen: Xen

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	From 4.8.0

Related CWEs

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

References (5)

https://xenbits.xenproject.org/xsa/advisory-464.html

Source: security@xen.org

PatchVendor Advisory

http://www.openwall.com/lists/oss-security/2024/11/12/1

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2024/11/12/10

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2024/11/12/7

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://xenbits.xen.org/xsa/advisory-464.html

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.