Resource management error in Xen - CVE-2022-42314

 

Resource management error in Xen - CVE-2022-42314

Published: January 2, 2023


Vulnerability identifier: #VU70593
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green
CVE-ID: CVE-2022-42314
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the Xenstore. A malicious guest can allocate huge amount of memory and perform a denial of service (DoS) attack.


How to mitigate CVE-2022-42314

Install updates from vendor's website.

Sources