CVE-2016-9377
First published: Wed Feb 22 2017(Updated: )
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | =4.5.0 | |
| Xen xen-unstable | =4.5.1 | |
| Xen xen-unstable | =4.5.2 | |
| Xen xen-unstable | =4.5.3 | |
| Xen xen-unstable | =4.5.5 | |
| Xen xen-unstable | =4.6.0 | |
| Xen xen-unstable | =4.6.1 | |
| Xen xen-unstable | =4.6.3 | |
| Xen xen-unstable | =4.6.4 | |
| Xen xen-unstable | =4.7.0 | |
| Xen xen-unstable | =4.7.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-9377?
CVE-2016-9377 is classified as a denial of service vulnerability, leading to potential guest OS crashes.
How do I fix CVE-2016-9377?
To mitigate CVE-2016-9377, upgrade to a Xen version that addresses this vulnerability, specifically 4.5.4 or later.
Which versions of Xen are affected by CVE-2016-9377?
CVE-2016-9377 affects Xen versions 4.5.0 through 4.7.1 on AMD systems without the NRip feature.
What type of systems is CVE-2016-9377 applicable to?
CVE-2016-9377 is applicable to AMD systems running specified versions of Xen hypervisor.
Can CVE-2016-9377 be exploited remotely?
CVE-2016-9377 requires local access to the HVM guest OS, making it a local exploitation risk.
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- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.5.0
- version/xen xen-unstable/4.5.1
- version/xen xen-unstable/4.5.2
- version/xen xen-unstable/4.5.3
- version/xen xen-unstable/4.5.5
- version/xen xen-unstable/4.6.0
- version/xen xen-unstable/4.6.1
- version/xen xen-unstable/4.6.3
- version/xen xen-unstable/4.6.4
- version/xen xen-unstable/4.7.0
- version/xen xen-unstable/4.7.1