Vulnerability in Linux

CVE-2021-47143

In the Linux kernel, the following vulnerability has been resolved: net/smc: remove device from smcd_dev_list after failed device_add() If the device_add() for a smcd_dev fails, there's no cleanup step that rolls back the earlier list_add(). The device subsequently gets freed, and we end up with a corrupted list. Add some error handling that removes the device from the list.

EPSS: 0.002 (13.3th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-47143?
CVE-2021-47143 is a medium-severity vulnerability in Linux, classified under Incomplete Cleanup. CVSS score: 5.5/10. Published 2024-03-25.
How severe is CVE-2021-47143?
Medium severity. CVSS v3 base score is 5.5 out of 10.