SB2022102578 - SUSE update for xen 



SB2022102578 - SUSE update for xen

Published: October 25, 2022

Security Bulletin ID SB2022102578
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2022-33746)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when freeing the P2M pool. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Improper handling of exceptional conditions (CVE-ID: CVE-2022-33748)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. A local user can send specially crafted input and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.