CVE-2021-47423

drm/nouveau/debugfs: fix file release memory leak

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau/debugfs: corrige la pérdida de memoria de liberación de archivos. Cuando se usa single_open() para abrir, se debe llamar a single_release(); de lo contrario, se ejecutará la 'op' asignada en single_open(). filtrado.

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.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-21 CVE Reserved
2024-05-21 CVE Published
2024-12-19 CVE Updated
2025-03-29 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (8)

URL	Tag	Source
https://git.kernel.org/stable/c/6e9fc177399f08446293fec7607913fdbc95e191	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0	2021-10-17
https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43	2021-10-17
https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771	2021-10-13
https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459	2021-10-13
https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8	2021-10-13
https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721	2021-10-13
https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c	2021-10-06

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 4.9.287 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 4.9.287"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 4.14.251 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 4.14.251"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 4.19.211 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 4.19.211"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 5.4.153 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 5.4.153"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 5.10.73 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 5.10.73"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 5.14.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 5.14.12"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 5.15 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 5.15"		en		Affected