#VU58352 Input validation error in Xen - CVE-2021-28709

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU58352

#VU58352 Input validation error in Xen - CVE-2021-28709

Published: November 24, 2021


Vulnerability identifier: #VU58352
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-28709
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Xen
Software vendor:
Xen Project

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in insertion of new pages code path. A remote authenticated attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links