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Servers and applications

CVE-2015-7969

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3)…

Severity
Medium 4.9
Published
30 Oct 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 38% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-399
Attack
Needs local access · No login needed
Attacker can
Take it down
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Description

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

From NVD.

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.6.0
  • Version 4.5.1
  • Version 4.5.0
  • Version 4.4.1
All 25 release lines
  • 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 4.1.6.1
  • Version 4.2.0
  • Version 4.2.1
  • Version 4.2.2
  • Version 4.2.3
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.3.2
  • Version 4.3.4
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.5.0
  • Version 4.5.1
  • Version 4.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-7969
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-7969