CVE-2021-47423

MEDIUM

Linux Kernel 4.5-4.9.287 - Use-After-Free in Nouveau DebugFS File Release

Title source: llm
STIX 2.1

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.

References (7)

Core 7

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (18)
Linux/Linux < 4.5
Linux/Linux 4.14.251 - 4.14.*
Linux/Linux 4.19.211 - 4.19.*
Linux/Linux 4.5
Linux/Linux 4.9.287 - 4.9.*
Linux/Linux 5.10.73 - 5.10.*
Linux/Linux 5.14.12 - 5.14.*
Linux/Linux 5.15
Linux/Linux 5.4.153 - 5.4.*
Linux/Linux 6e9fc177399f08446293fec7607913fdbc95e191 - 11cd944bb87d9e575b94c07c952105eda745b459
... and 8 more
Published May 21, 2024
Tracked Since Feb 18, 2026