CVE-2017-8903 Affecting xen package, versions <4.8.1-1+deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-DEBIAN9-XEN-365784
  • published11 May 2017
  • disclosed11 May 2017

Introduced: 11 May 2017

CVE-2017-8903  (opens in a new tab)

How to fix?

Upgrade Debian:9 xen to version 4.8.1-1+deb9u1 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.

Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.