All vulnerabilities

Servers and applications

CVE-2011-3131

Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.

Severity
Medium 4.6
Published
13 Dec 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 38% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Needs local access · Needs a login
Attacker can
Take it down
CVSS vector
AV:L/AC:L/Au:S/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Every version up to 4.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-3131
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-3131