CVE-2021-47466: 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: mm, slub: fix potential memoryleak in kmem_cache_open() In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.

Affected products

• Linux Linux Kernel: from 4.8, before 5.4.156 (fixed in 5.4.156); from 5.5, before 5.10.76 (fixed in 5.10.76); from 5.11, before 5.14.15 (fixed in 5.14.15); version 5.15 only

Published 2024-05-22. Last modified 2026-06-17.