CVE-2021-47139
kernel: net: hns3: put off calling register_netdev() until client initialize complete
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 25, 2024
Updated · November 21, 2025
Description
A flaw was found in the Linux Kernel's netdevice, which is registered before client initializing is complete. If a window of time between netdevice is available and usable, and a user tries to change the channel number or ring param, it may cause the hns3_set_rx_cpu_rmap() to be called twice.
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 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')