Main Vulnerability Database Vulnerabilities #VU70589

Release of invalid pointer or reference in Xen - CVE-2022-42309

Published: January 2, 2023

Vulnerability identifier: #VU70589

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-2022-42309

CWE-ID: CWE-763

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 usage of a wrong pointer during the node creation in Xenstore. A malicious guest can cause xenstored to crash.

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