CVE-2021-47122: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error

Affected products

• Linux Linux Kernel: from 3.3, before 4.4.272 (fixed in 4.4.272); from 4.5, before 4.9.272 (fixed in 4.9.272); from 4.10, before 4.14.236 (fixed in 4.14.236); from 4.15, before 4.19.194 (fixed in 4.19.194); from 4.20, before 5.4.125 (fixed in 5.4.125); from 5.5, before 5.10.43 (fixed in 5.10.43); …

Published 2024-03-15. Last modified 2026-06-17.