SB2024022802 - Fedora 38 update for xen
Published: February 28, 2024
Security Bulletin ID
SB2024022802
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2023-46841)
The vulnerability allows a remote guest to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect implementation of the Shadow Stacks (CET-SS) feature. An unprivileged guest can cause a hypervisor crash, causing a Denial of Service (DoS) of the entire host.
Remediation
Install update from vendor's website.