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Race Condition Affecting xen package, versions <4.7.1-r1

Severity

 Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012643
  • published 23 May 2024
  • disclosed 23 Jan 2017
Report a new vulnerability Found a mistake?

Introduced: 23 Jan 2017

CVE-2016-9381 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xen to version 4.7.1-r1 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.

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.

CVSS Scores

version 3.1
Expand this section

NVD

Recommended
7.5 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High