Integer underflow in Xen - CVE-2022-23034

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Main Vulnerability Database Vulnerabilities #VU63798

Integer underflow in Xen - CVE-2022-23034

Published: May 30, 2022 / Updated: May 30, 2022


Vulnerability identifier: #VU63798
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-23034
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Xen
Software vendor:
Xen Project

Description

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.


Remediation

Install updates from vendor's website.

External links