SB2023061933 - Integer overflow in Xen SSBD
Published: June 19, 2023
Security Bulletin ID
SB2023061933
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2022-42336)
The vulnerability allows a remote guest to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in SSBD imlementation. A remote guest can mislead other guests into observing SSBD active when it is not.
Remediation
Install update from vendor's website.