CVE-2024-40938 - CVE House

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Status published Unknown CVE-2024-40938

landlock: Fix d_parent walk

0 CVSS

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: landlock: Fix d_parent walk The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory is the mount point. [mic: Fix commit message]

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.

References

More from Linux

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drm/panthor: Recover from panthor_gpu_flush_caches() failures

PCI: endpoint: Add missing NULL check for alloc_workqueue()

fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()

fs/ntfs3: Initialize new folios before use

Affected Vendor

Linux

View all reports →

Affected Software

Linux

Vulnerable Versions:

b91c3e4ea756b12b7d992529226edce1cfd854d7, 5.19, 0, 6.1.95, 6.6.35, 6.9.6, 6.10

Timeline

Official Publish: July 12th, 2024

Last Modified: May 11th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.