CVE-2021-47423

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47423
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 Patch
https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 Patch
https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 Patch
https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 Patch
https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 Patch
https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c Patch
https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 Patch
https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 Patch
https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 Patch
https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 Patch
https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 Patch
https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 Patch
https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c Patch
https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
History

30 Dec 2024, 19:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 - () https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 - Patch
References () https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 - () https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 - Patch
References () https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 - () https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 - Patch
References () https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 - () https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 - Patch
References () https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 - () https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 - Patch
References () https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c - () https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c - Patch
References () https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 - () https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 - Patch
CPE cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
CWE CWE-401
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

21 Nov 2024, 06:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 - () https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 -
References () https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 - () https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 -
References () https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 - () https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 -
References () https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 - () https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 -
References () https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 - () https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 -
References () https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c - () https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c -
References () https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 - () https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 -
Summary
  • (es) 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.

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2024-12-30 19:36

NVD link : CVE-2021-47423

Mitre link : CVE-2021-47423

CVE.ORG link : CVE-2021-47423

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime