CVE-2021-47147

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix a resource leak in an error handling path If an error occurs after a successful 'pci_ioremap_bar()' call, it must be undone by a corresponding 'pci_iounmap()' call, as already done in the remove function.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99	Patch
https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4	Patch
https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99	Patch
https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc3::::::

History

16 Sep 2025, 16:24

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99 -~~	() https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99 - Patch
References	~~() https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4 -~~	() https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4 - Patch
CPE		cpe:2.3:o:linux:linux_kernel:5.13:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc1:::::: cpe:2.3:o:linux:linux_kernel::::::::
First Time		Linux Linux linux Kernel
CWE		CWE-401

Information

Published : 2024-03-25 09:15

Updated : 2025-09-16 16:24

NVD link : CVE-2021-47147

Mitre link : CVE-2021-47147

CVE.ORG link : CVE-2021-47147

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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