SB2022020425 - SUSE update for xen 



SB2022020425 - SUSE update for xen

Published: February 4, 2022

Security Bulletin ID SB2022020425
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer underflow (CVE-ID: CVE-2022-23034)

The vulnerability allows a local user can perform a denial of service attack.

The vulnerability exists due to integer underflow when unmapping a grant to address XSA-380. A local user can request two forms of mappings to perform a denial of service attack.


2) Incomplete cleanup (CVE-ID: CVE-2022-23035)

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to insufficient cleanup of passed-through device IRQs. An attacker with physical access can cause a Denial of Service (DoS) and escalate privileges on the system.


Remediation

Install update from vendor's website.