Information disclosure in Xen - CVE-2023-34321

 

Information disclosure in Xen - CVE-2023-34321

Published: September 5, 2023


Vulnerability identifier: #VU80470
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-34321
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a malicious guest to gain access to potentially sensitive information.

The vulnerability exists due to an error when cleaning cache on arm32 systems. A malicious guest can read sensitive data from memory of another guest.


How to mitigate CVE-2023-34321

Install updates from vendor's website.

Sources