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Servers and applications

CVE-2012-3498

PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.

Severity
Medium 5.6
Published
23 Nov 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
Improper input validation (CWE-20)
Attack
Needs local access · No login needed
Attacker can
Read some data · Take it down
CVSS vector
AV:L/AC:L/Au:N/C:P/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.1.0
  • Version 4.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-3498
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-3498