CVE-2023-52681

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-52681
In the Linux kernel, the following vulnerability has been resolved: efivarfs: Free s_fs_info on unmount Now that we allocate a s_fs_info struct on fs context creation, we should ensure that we free it again when the superblock goes away.

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/547713d502f7b4b8efccd409cff84d731a23853b Patch
https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 Patch
https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c Patch
https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b Patch
https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 Patch
https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 Patch
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

25 Sep 2025, 16:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-401
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b - () https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b - Patch
References () https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 - () https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 - Patch
References () https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c - () https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c - Patch
References () https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 - () https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 - Patch

21 Nov 2024, 08:40

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: efivarfs: Liberar s_fs_info al desmontar Ahora que asignamos una estructura s_fs_info en la creación del contexto fs, debemos asegurarnos de liberarla nuevamente cuando el superbloque desaparezca.
References () https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c - () https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c -
References () https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b - () https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b -
References () https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 - () https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 -
References () https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 - () https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 -

17 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-17 15:15

Updated : 2025-09-25 16:15

NVD link : CVE-2023-52681

Mitre link : CVE-2023-52681

CVE.ORG link : CVE-2023-52681

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime