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Improper Input Validation Affecting xen package, versions <4.8.3+comet2+shim4.10.0+comet3-1+deb9u5

Severity

 Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIAN10-XEN-366288
  • published12 Dec 2017
  • disclosed12 Dec 2017
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Introduced: 12 Dec 2017

CVE-2017-17565  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:10 xen to version 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 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:10 relevant fixed versions and status.

An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P.