Denial of service in Xen - CVE-2017-17566

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Main Vulnerability Database Vulnerabilities #VU10613

Denial of service in Xen - CVE-2017-17566

Published: February 16, 2018


Vulnerability identifier: #VU10613
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-17566
CWE-ID: CWE-264
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 improper auxiliary page mapping. A remote attacker can cause the system to crash.

Affected software

Xen
Debian Linux
Gentoo Linux
SUSE Linux
Fedora
xen (Alpine package)
xen

How to mitigate CVE-2017-17566

Install update from vendor's website.

xen (Alpine package) - update to 4.6.6-r3
xen - addressed in versions 4.8.2-9.fc26, 4.9.1-4.fc27

External References

Related Security Bulletins