Information Exposure Affecting xen package, versions <4.12.0-r2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ALPINE316-XEN-2844866
  • published21 Jul 2020
  • disclosed30 May 2019

Introduced: 30 May 2019

CVE-2018-12130  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.12.0-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:3.16 relevant fixed versions and status.

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

References