Infinite loop in Xen - CVE-2018-10981

 

Infinite loop in Xen - CVE-2018-10981

Published: May 15, 2018


Vulnerability identifier: #VU12647
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10981
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The weakness exists due to a failure to reject invalid transitions between states. An adjacent attacker can submit a specially crafted request designed to force the QEMU device model on the system to switch the request between two states, trigger infinite loop and cause the service to crash.

How to mitigate CVE-2018-10981

Install update from vendor's website.

Sources