What is CVE-2021-47514?

CVE-2021-47514 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-05-24.

How severe is CVE-2021-47514?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2021-47514

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().

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions ccdf07219da6bd1f43c6ddcde4c0e36993c7365a, 5.10, 0
Linux Linux_kernel — versions 5.16

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47514?: CVE-2021-47514 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-05-24.
How severe is CVE-2021-47514?: Medium severity. CVSS v3 base score is 5.5 out of 10.