CVE-2021-47147: ptp: ocp: Fix a resource leak in an error handling path

Published Mar 25, 2024
·
Updated

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 'pciioremapbar()' call, it must be undone by a corresponding 'pciiounmap()' call, as already done in the remove function.

Affected Software

5 affected components
Linux Linux kernel
Linux Linux kernel>=5.11<5.12.9
Linux Linux kernel=5.13-rc1
Linux Linux kernel=5.13-rc2
Linux Linux kernel=5.13-rc3

Event History

Mar 25, 2024
CVE Published
via MITRE·09:07 AM
Data Sourced
via MITRE·09:07 AM
Description
Data Sourced
via NVD·09:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-47147?

CVE-2021-47147 is considered to be of medium severity due to its impact on resource management.

2

How do I fix CVE-2021-47147?

To fix CVE-2021-47147, ensure you are using an updated version of the Linux kernel where the vulnerability has been patched.

3

What is the impact of CVE-2021-47147?

CVE-2021-47147 can result in resource leaks if the error handling path is not properly managed after a successful 'pci_ioremap_bar()' call.

4

Which systems are affected by CVE-2021-47147?

CVE-2021-47147 affects the Linux Kernel, particularly versions prior to the fix addressing this vulnerability.

5

Is CVE-2021-47147 actively exploited?

As of now, there are no reported active exploits for CVE-2021-47147, but it is always recommended to apply security patches promptly.

Contact

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