CVE-2016-1571

6.3MEDIUM

Key Information:

Vendor
Citrix
Status
Xenserver
Vendor
CVE Published:
22 January 2016

Summary

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

References

http://www.debian.org/security/2016/dsa-3519
vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1034745
vdb-entryx_refsource_SECTRACK
http://support.citrix.com/article/CTX205496
x_refsource_CONFIRM

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.