Back to Database
Status published
Medium
CVE-2021-47423
drm/nouveau/debugfs: fix file release memory leak
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/debugfs: fix file release memory leak When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-47423
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0
- https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43
- https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771
- https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459
- https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8
- https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721
- https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c
More from Linux
View All →CVE-2025-71315
drm/vkms: Convert to DRM's vblank timer
Unknown
0
CVE-2025-71314
drm/panthor: Recover from panthor_gpu_flush_caches() failures
Unknown
0
CVE-2025-71313
PCI: endpoint: Add missing NULL check for alloc_workqueue()
Unknown
0
CVE-2025-71312
fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()
Unknown
0
CVE-2025-71311
fs/ntfs3: Initialize new folios before use
Unknown
0
Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
6e9fc177399f08446293fec7607913fdbc95e191, 4.5, 0, 4.9.287, 4.14.251, 4.19.211, 5.4.153, 5.10.73, 5.14.12, 5.15
Timeline
Official Publish:
May 21st, 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:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.