CVE Database
/

CVE-2021-47514

Back to search

CVE-2021-47514

Published: May 24, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spotted bugs in devlink_nl_cmd_reload() Some error paths forgot to release a refcount on a netns. To fix this, we can reduce the scope of get_net()/put_net() section around the call to devlink_reload().

VendorProductVersions

Linux

Linux

affected
ccdf07219da6bd1f43c6ddcde4c0e36993c7365a - < 4b7e90672af8e0c78205db006f1b0a20ebd07f5f
affected
ccdf07219da6bd1f43c6ddcde4c0e36993c7365a - < fe30b70ca84da9c4aca85c03ad86e7a9b89c5ded
affected
ccdf07219da6bd1f43c6ddcde4c0e36993c7365a - < 4dbb0dad8e63fcd0b5a117c2861d2abe7ff5f186

Linux

Linux

affected
5.10
unaffected
0 - < 5.10
unaffected
5.10.85 - <= 5.10.*
unaffected
5.15.8 - <= 5.15.*
unaffected
5.16 - <= *

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now