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CVE-2017-8903 Affecting xen package, versions <4.8.1-r2

Severity

 Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.07% (34th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012667
  • published 23 May 2024
  • disclosed 11 May 2017
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Introduced: 11 May 2017

CVE-2017-8903 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xen to version 4.8.1-r2 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 Alpine. See How to fix? for Alpine:3.20 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.