CVE-2017-17044
First published: Tue Nov 28 2017(Updated: )
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service (infinite loop and host OS hang) by leveraging the mishandling of Populate on Demand (PoD) errors.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xen | 4.11.4+107-gef32c7afa2-1 4.14.6-1 4.14.5+94-ge49571868d-1 4.17.1+2-gb773c48e36-1 4.17.2+55-g0b56bed864-1 | |
| Xen xen-unstable | <=4.9.1 |
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Reference Links
- http://www.securityfocus.com/bid/102008
- http://www.securityfocus.com/bid/102129
- http://www.securityfocus.com/bid/105954
- http://www.securitytracker.com/id/1039878
- https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX230138
- https://xenbits.xen.org/xsa/advisory-246.html
- https://security-tracker.debian.org/tracker/CVE-2017-17044
Frequently Asked Questions
What is the severity of CVE-2017-17044?
CVE-2017-17044 has a high severity rating due to its potential to cause a denial of service through host OS hang.
How do I fix CVE-2017-17044?
To fix CVE-2017-17044, upgrade to Xen version 4.11.4+107-gef32c7afa2-1 or later, or any version higher than 4.9.1.
What versions of Xen are affected by CVE-2017-17044?
CVE-2017-17044 affects Xen versions up to and including 4.9.1.
What type of vulnerability is CVE-2017-17044?
CVE-2017-17044 is a denial of service vulnerability impacting HVM guest OS users.
Can user-level processes exploit CVE-2017-17044?
Yes, user-level processes in HVM guest OS can exploit CVE-2017-17044 by causing an infinite loop and thus hang the host OS.
- collector/security-tracker-debian
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/event
- agent/remedy
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/description
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.9.1