SB2023090558 - Information disclosure in Xen
Published: September 5, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2023-34321)
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.
Remediation
Install update from vendor's website.