Linux Kernel up to 5.16.11 men_z188_adc iio_device_register memory leak

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.16.11. It has been rated as critical. This issue affects the function iio_device_register of the component men_z188_adc. Performing a manipulation results in memory leak. This vulnerability is cataloged as CVE-2022-48928. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.16.11. This affects the function iio_device_register of the component men_z188_adc. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: iio: adc: men_z188_adc: Fix a resource leak in an error handling path If iio_device_register() fails, a previous ioremap() is left unbalanced. Update the error handling path and add the missing iounmap() call, as already done in the remove function.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-48928 since 08/21/2024. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.9.304, 4.14.269, 4.19.232, 5.4.182, 5.10.103, 5.15.26 or 5.16.12 eliminates this vulnerability. Applying the patch 0f8872231364/c5723b422f56/53d43a9c8dd2/ce1076b33e29/1aa12ecfdcba/fe7347780298/d6ed5426a7fa/e0a2e37f3038 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.9.303
• 4.14.268
• 4.19.231
• 5.4.181
• 5.10.102
• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.16.5
• 5.16.6
• 5.16.7
• 5.16.8
• 5.16.9
• 5.16.10
• 5.16.11

License

• open-source

Website

• Vendor: https://www.kernel.org/

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