SB2023042532 - Privilege escalation in Xen
Published: April 25, 2023
Security Bulletin ID
SB2023042532
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Untrusted Pointer Dereference (CVE-ID: CVE-2022-42335)
The vulnerability allows a malicious guest to escalate privileges on the system.
The vulnerability exists due to an arbitrary pointer dereference. A malicious guest running in shadow mode and having a PCI device passed through can execute arbitrary code on the hypervisor.
Remediation
Install update from vendor's website.