UpHeron
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Servers and applications

CVE-2012-5513

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

Severity
Medium 6.9
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 35% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Needs local access · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.1.3
  • Version 4.1.2
  • Version 4.1.1
  • Version 4.1.0
All 27 release lines
  • Every version up to 4.2.0
  • 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
  • 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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-5513
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-5513