CVE-2021-38209

kernel: net/netfilter/nf_conntrack_standalone.c allows observation of changes in any net namespace because these changes are leaked into all other net namespaces

Loading…

Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · April 12, 2021

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel. Observation of changes in any net namespace is possible due to these changes being leaked into all other net namespaces. The highest threat from this vulnerability is to data 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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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