CVE-2021-47470: Linux Kernel

High severity, CVSS 7.8. 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 use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free.

Affected products

• Linux Linux Kernel: from 5.14, before 5.14.15 (fixed in 5.14.15); version 5.15 only

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