CVE-2024-45819 — MEDIUM (5.5)

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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Xen	Xen	>= 4.8.0

Related Weaknesses (CWE)

CWE-276

References

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

FAQ

What is CVE-2024-45819?

CVE-2024-45819 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 t...

How severe is CVE-2024-45819?

CVE-2024-45819 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-45819?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.