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CVE-2014-5149

Disclosure Date: August 22, 2014
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Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

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CVSS V3 Severity and Metrics
Base Score:
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Impact Score:
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Exploitability Score:
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Vector:
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Attack Vector (AV):
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Attack Complexity (AC):
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Privileges Required (PR):
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User Interaction (UI):
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Scope (S):
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Confidentiality (C):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • opensuse,
  • xen

Products

  • opensuse 13.1,
  • opensuse 13.2,
  • xen 4.2.0,
  • xen 4.2.1,
  • xen 4.2.2,
  • xen 4.2.3,
  • xen 4.3.0,
  • xen 4.3.1,
  • xen 4.4.0
Technical Analysis