---
cve: "CVE-2021-47423"
severity: "LOW"
cvss: 3.1
epss: "22%"
vendor: "Linux"
kev: false
exploited: false
published: "2024-05-21 15:15:27"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T22:35:50+02:00"
---

# CVE-2021-47423

> 3.1 LOW

## Beschreibung

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.

## Referenzen

- <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>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-47423) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_