UpHeron
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Servers and applications

CVE-2011-1166

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.

Severity
Medium 5.5
Published
7 Jan 2014
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.7% in the next 30 daysHigher than 52% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
From the same local network · Needs a login
Attacker can
Take it down
CVSS vector
AV:A/AC:L/Au:S/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.0.0
  • Version 3.4.4
  • Version 3.4.3
  • Version 3.4.2
All 19 release lines
  • Every version up to 4.0.1
  • Version 3.0.2
  • Version 3.0.3
  • Version 3.0.4
  • Version 3.1.3
  • Version 3.1.4
  • Version 3.2.0
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • 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 4.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-1166
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-1166