#VU29599 Resource management error in Xen - CVE-2020-15564

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Main Vulnerability Database Vulnerabilities #VU29599

#VU29599 Resource management error in Xen - CVE-2020-15564

Published: July 9, 2020 / Updated: July 15, 2020


Vulnerability identifier: #VU29599
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/E:P/U:Clear
CVE-ID: CVE-2020-15564
CWE-ID: CWE-399
Exploitation vector: Adjecent network
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 missing alignment check in VCPUOP_register_vcpu_info hypercall in Xen. A attacker with privileged access to guest operating system can crash the hypervisor.

Note: the vulnerability affects Arm systems only.


Remediation

Install updates from vendor's website.

External links