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Servers and applications

CVE-2014-7188

The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.

Severity
High 8.3
Published
2 Oct 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.9% in the next 30 daysHigher than 58% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
From the same local network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:A/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.4.1
  • Version 4.4.0
  • Version 4.4.0-rc1
  • Version 4.3.1
All 16 release lines
  • 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 4.1.6.1
  • Version 4.2.0
  • Version 4.2.1
  • Version 4.2.2
  • Version 4.2.3
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.4.0-rc1
  • Version 4.4.0
  • Version 4.4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-7188
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-7188