CVE-2017-10917: Null Pointer Dereference
First published: Wed Jul 05 2017(Updated: )
Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | <=4.8.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-10917?
CVE-2017-10917 has a high severity level due to its potential to cause denial of service attacks and host crashes.
How do I fix CVE-2017-10917?
To fix CVE-2017-10917, update to Xen version 4.8.2 or later where the vulnerability has been addressed.
What type of systems are affected by CVE-2017-10917?
CVE-2017-10917 affects Xen hypervisors up to version 4.8.1.
What are the potential consequences of exploiting CVE-2017-10917?
Exploiting CVE-2017-10917 can lead to a denial of service through host OS crashes or possible exposure of sensitive information.
Can CVE-2017-10917 be exploited remotely?
CVE-2017-10917 can be exploited by guest OS users, which could potentially allow for unauthorized access to host resources.
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