CVE-2021-47601

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47601
In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.

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/640e28d618e82be78fb43b4bf5113bc90d6aa442 Patch
https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 Patch
https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 Patch
Configurations

Configuration 1 (hide)

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

27 Aug 2024, 16:14

Type Values Removed Values Added
CWE CWE-476
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 - () https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 - Patch
References () https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 - () https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 - Patch
References () https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 - () https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

20 Jun 2024, 12:43

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tee: amdtee: corrige un error IS_ERR() vs NULL La función __get_free_pages() no devuelve punteros de error, devuelve NULL, así que corrija esta condición para evitar una desreferencia a NULL.

19 Jun 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-06-19 15:15

Updated : 2024-08-27 16:14

NVD link : CVE-2021-47601

Mitre link : CVE-2021-47601

CVE.ORG link : CVE-2021-47601

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference