CVE-2013-2078: Input Validation
First published: Wed Aug 14 2013(Updated: )
Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service (hypervisor crash) via certain bit combinations to the XSETBV instruction.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | =4.0.2 | |
| Xen xen-unstable | =4.0.3 | |
| Xen xen-unstable | =4.0.4 | |
| Xen xen-unstable | =4.1.0 | |
| Xen xen-unstable | =4.1.1 | |
| Xen xen-unstable | =4.1.2 | |
| Xen xen-unstable | =4.1.3 | |
| Xen xen-unstable | =4.1.4 | |
| Xen xen-unstable | =4.1.5 | |
| Xen xen-unstable | =4.2.0 | |
| Xen xen-unstable | =4.2.1 | |
| Xen xen-unstable | =4.2.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2013-2078?
CVE-2013-2078 has a medium severity rating as it allows local users to cause a denial of service through a hypervisor crash.
How do I fix CVE-2013-2078?
To fix CVE-2013-2078, upgrade to Xen version 4.3.x or later, which addresses this vulnerability.
Which versions of Xen are affected by CVE-2013-2078?
CVE-2013-2078 affects Xen versions 4.0.2 through 4.0.4, all 4.1.x versions, and 4.2.x versions.
What type of attack does CVE-2013-2078 facilitate?
CVE-2013-2078 facilitates a denial of service attack against the hypervisor via specific XSETBV instruction bit combinations.
Can CVE-2013-2078 be exploited remotely?
CVE-2013-2078 cannot be exploited remotely as it requires local access by PV guest users.
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- agent/references
- agent/weakness
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- agent/first-publish-date
- agent/description
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- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.0.2
- version/xen xen-unstable/4.0.3
- version/xen xen-unstable/4.0.4
- version/xen xen-unstable/4.1.0
- version/xen xen-unstable/4.1.1
- version/xen xen-unstable/4.1.2
- version/xen xen-unstable/4.1.3
- version/xen xen-unstable/4.1.4
- version/xen xen-unstable/4.1.5
- version/xen xen-unstable/4.2.0
- version/xen xen-unstable/4.2.1
- version/xen xen-unstable/4.2.2