Improper error handling in Xen - CVE-2024-31145

 

Improper error handling in Xen - CVE-2024-31145

Published: August 14, 2024


Vulnerability identifier: #VU96006
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-31145
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to improper error handling in x86 IOMMU identity mapping. A malicious guest can access memory regions related to other guests or the hypervisor.


How to mitigate CVE-2024-31145

Install updates from vendor's website.

Sources