Linux Kernel up to 5.15.23/5.16.9 s390 path_event denial of service

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 5.15.23/5.16.9. This vulnerability affects the function path_event of the component s390. The manipulation results in denial of service. This vulnerability is identified as CVE-2022-48798. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.23/5.16.9. It has been classified as critical. Affected is the function path_event of the component s390. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: s390/cio: verify the driver availability for path_event call If no driver is attached to a device or the driver does not provide the path_event function, an FCES path-event on this device could end up in a kernel-panic. Verify the driver availability before the path_event function call.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2022-48798 since 07/16/2024. Technical details are known, but there is no available exploit.

Upgrading to version 5.15.24 or 5.16.10 eliminates this vulnerability. Applying the patch fe990b7bf6ac/a0619027f115/dd9cb842fa9d 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 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
• 5.16.0
• 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

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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