Alpine: xen: security update to 4.9.4-r1

medium Tenable Self-Hosted Container Security Plugin ID 407912

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Microarchitectural Store Buffer Data Sampling (MSBDS): Store 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 (CVE-2018-12126)

- Microarchitectural Load Port Data Sampling (MLPDS): Load ports 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 (CVE-2018-12127)

- 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 (CVE-2018-12130)

- Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory 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 (CVE-2019-11091)

See Also

https://security.alpinelinux.org/vuln/CVE-2018-12126

https://security.alpinelinux.org/vuln/CVE-2018-12127

https://security.alpinelinux.org/vuln/CVE-2018-12130

https://security.alpinelinux.org/vuln/CVE-2019-11091

Plugin Details

Severity: Medium

ID: 407912

Version: Revision 1.30

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.3

Percentile: 96.97

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2019-11091

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 5/7/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091

BID: 108330

IAVA: 2019-A-0168-S