CVE-2021-47116: 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: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corrupted with an illegally large s_log_groups_per_flex.

Affected products

• Linux Linux Kernel: before 5.10.43 (fixed in 5.10.43); from 5.11, before 5.12.10 (fixed in 5.12.10); version 5.13 only

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