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CVE-2015-7813

Disclosure Date: October 30, 2015
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Description

Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.

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CVSS V3 Severity and Metrics
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Attack Vector (AV):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • xen

Products

  • xen 4.4.0,
  • xen 4.4.1,
  • xen 4.5.0,
  • xen 4.5.1,
  • xen 4.6.0
Technical Analysis