CVE-2020-13844
kernel: ARM straight-line speculation vulnerability
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS: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