UpHeron
All vulnerabilities

Servers and applications

CVE-2016-1571

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.

Severity
Medium 6.3
Published
22 Jan 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.3% in the next 30 daysHigher than 70% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-17
Attack
Over the network · Only under certain conditions · Needs a user account · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.6.0
  • Version 4.5.2
  • Version 4.5.1
  • Version 4.5.0
All 36 release lines
  • Version 3.3.0
  • Version 3.3.1
  • Version 3.3.2
  • Version 3.4.0
  • Version 3.4.1
  • Version 3.4.2
  • Version 3.4.3
  • Version 3.4.4
  • Version 4.1.0
  • Version 4.1.1
  • Version 4.1.2
  • Version 4.1.3
  • Version 4.1.4
  • Version 4.1.5
  • Version 4.1.6
  • Version 4.1.6.1
  • Version 4.2.0
  • Version 4.2.1
  • Version 4.2.2
  • Version 4.2.3
  • Version 4.2.4
  • Version 4.2.5
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.3.2
  • Version 4.3.3
  • Version 4.3.4
  • Version 4.4.0-rc1
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.4.2
  • Version 4.4.3
  • Version 4.5.0
  • Version 4.5.1
  • Version 4.5.2
  • Version 4.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-1571
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-1571