CVE-2021-47470

2024-05-2207:15:11

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

use-after-free vulnerability

slab_debugfs_fops

cve-2021-47470

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

JSON

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.

References

git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83

git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c