CVE-2019-11091

hardware: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

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Severity

Moderate

Red Hat Product Security

3.8

CVSS 3.0

Review impact separately from score.

Published · May 15, 2019

Updated · June 28, 2026

Description

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.

Statement

Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the 'Vulnerability Response' URL.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE-515 · Covert Storage Channel