Resource Management Errors Affecting xen package, versions <4.4.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-DEBIAN12-XEN-1563787
  • published26 Jan 2014
  • disclosed26 Jan 2014

Introduced: 26 Jan 2014

CVE-2014-1642  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade Debian:12 xen to version 4.4.0-1 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:12 relevant fixed versions and status.

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.

CVSS Scores

version 3.1