Infinite loop in Xen - CVE-2017-17044
Published: November 29, 2017 / Updated: December 1, 2017
Vulnerability identifier: #VU9442
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: CVE-2017-17044
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists due to an infinite loop. An adjacent attacker can trigger an error handling flaw in the processing of errors from the Populate on Demand (PoD) code and cause the service to crash.
The weakness exists due to an infinite loop. An adjacent attacker can trigger an error handling flaw in the processing of errors from the Populate on Demand (PoD) code and cause the service to crash.
Affected software
Xen
Gentoo Linux
Fedora
Oracle VM Server for x86
xen (Alpine package)
xen
Gentoo Linux
Fedora
Oracle VM Server for x86
xen (Alpine package)
xen
How to mitigate CVE-2017-17044
Install update from vendor's website.
xen (Alpine package) - update to 4.7.3-r2
xen - addressed in versions 4.8.2-8.fc26, 4.8.2-9.fc26, 4.9.1-2.fc27
xen - addressed in versions 4.8.2-8.fc26, 4.8.2-9.fc26, 4.9.1-2.fc27