CVE-2021-47423
kernel: drm/nouveau/debugfs: fix file release memory leak
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 21, 2024
Updated · November 21, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-402 · Transmission of Private Resources into a New Sphere ('Resource Leak')