Resource Management Errors Affecting xen package, versions <4.6.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIAN9-XEN-365656
  • published30 Oct 2015
  • disclosed30 Oct 2015

Introduced: 30 Oct 2015

CVE-2015-7969  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade Debian:9 xen to version 4.6.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1