Resource exhaustion in Xen - CVE-2016-5403

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Main Vulnerability Database Vulnerabilities #VU32259

Resource exhaustion in Xen - CVE-2016-5403

Published: August 2, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32259
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-2016-5403
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Xen
Software vendor:
Xen Project

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.


Remediation

Install update from vendor's website.

External links