Race Condition Affecting xen package, versions <4.9.0-r6


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.08% (34th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012816
  • published 23 May 2024
  • disclosed 18 Oct 2017

How to fix?

Upgrade Alpine:3.20 xen to version 4.9.0-r6 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.

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.