CVE-2021-47054

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47054
In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.

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/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be Patch
https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 Patch
https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c Patch
https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 Patch
https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 Patch
https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 Patch
https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 Patch
https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 Patch
https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be Patch
https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 Patch
https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c Patch
https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 Patch
https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 Patch
https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 Patch
https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 Patch
https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 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:*:*:*:*:*:*:*:*
History

10 Dec 2024, 17:53

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CWE NVD-CWE-Other
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be - () https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be - Patch
References () https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 - () https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 - Patch
References () https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c - () https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c - Patch
References () https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 - () https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 - Patch
References () https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 - () https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 - Patch
References () https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 - () https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 - Patch
References () https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 - () https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 - Patch
References () https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 - () https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 - Patch

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be - () https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be -
References () https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 - () https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 -
References () https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c - () https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c -
References () https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 - () https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 -
References () https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 - () https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 -
References () https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 - () https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 -
References () https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 - () https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 -
References () https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 - () https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 -

01 Mar 2024, 14:04

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: bus: qcom: Colocar el nodo secundario antes del retorno. Colocar el nodo secundario antes del retorno para corregir una posible pérdida del recuento de referencias. Generalmente, el recuento de referencia del niño se incrementa y disminuye automáticamente en la macro for_each_available_child_of_node() y debe disminuirse manualmente si el bucle se rompe en el cuerpo del bucle.

29 Feb 2024, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-29 23:15

Updated : 2024-12-10 17:53

NVD link : CVE-2021-47054

Mitre link : CVE-2021-47054

CVE.ORG link : CVE-2021-47054

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-Other