#VU46968 Resource management error in Xen - CVE-2020-25602

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Main Vulnerability Database Vulnerabilities #VU46968

#VU46968 Resource management error in Xen - CVE-2020-25602

Published: September 23, 2020


Vulnerability identifier: #VU46968
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/E:U/U:Green
CVE-ID: CVE-2020-25602
CWE-ID: CWE-399
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 improper management of internal resources within the application when processing guest requests to the "MISC_ENABLE MSR" register in Xen. A remote privileged PV guest can run a specially crafted program and crash Xen.

Only non-non-Intel x86 systems are affected.


Remediation

Install updates from vendor's website.

External links