CVE Database›Document archive›CVE-2020-13844

CVE-2020-13844

kernel: ARM straight-line speculation vulnerability

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 7, 2020

Updated · June 28, 2026

Description

A new speculative side-channel vulnerability was found that affects the ARM processor's code, 'Straight-line speculation.' This flaw allows a local attacker to infer cache contents through measuring timing access. The highest threat from this vulnerability is to confidentiality.

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

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor