Information Exposure Affecting xen package, versions <4.11.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-ALPINE316-XEN-2845562
  • published21 Jul 2020
  • disclosed22 May 2018

Introduced: 22 May 2018

CVE-2018-3639  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.11.0-r0 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:3.16 relevant fixed versions and status.

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.

References

CVSS Scores

version 3.1