UpHeron
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Servers and applications

CVE-2013-2212

The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.

Severity
Medium 5.7
Published
28 Aug 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.6% in the next 30 daysHigher than 50% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
From the same local network · No login needed
Attacker can
Take it down
CVSS vector
AV:A/AC:M/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.3.0
  • Version 4.2.2
  • Version 4.2.1
  • Version 4.2.0
All 23 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 4.0.0
  • Version 4.0.1
  • Version 4.0.2
  • Version 4.0.3
  • Version 4.0.4
  • 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 4.2.0
  • Version 4.2.1
  • Version 4.2.2
  • Version 4.3.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-2212
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-2212