CVE-2021-47600: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalance_children() Move dm_tm_unlock() after dm_tm_dec().

Affected products

• Linux Linux Kernel: before 4.4.296 (fixed in 4.4.296); from 4.5, before 4.9.294 (fixed in 4.9.294); from 4.10, before 4.14.259 (fixed in 4.14.259); from 4.15, before 4.19.222 (fixed in 4.19.222); from 4.20, before 5.4.168 (fixed in 5.4.168); from 5.5, before 5.10.88 (fixed in 5.10.88); …

Published 2024-06-19. Last modified 2026-08-04.