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Status published
High
CVE-2021-47470
mm, slub: fix potential use-after-free in slab_debugfs_fops
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
64dd68497be76ab4e237cca06f5324e220d0f050, 5.14, 0, 5.14.15, 5.15
Timeline
Official Publish:
May 22nd, 2024
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.