Linux Kernel up to 5.18.3 goldfish tty_port_destroy initialization

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 5.18.3. This affects the function tty_port_destroy of the component goldfish. Executing a manipulation can lead to initialization. This vulnerability is registered as CVE-2022-49399. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.18.3. It has been declared as problematic. This vulnerability affects the function tty_port_destroy of the component goldfish. The manipulation with an unknown input leads to a initialization vulnerability. The CWE definition for the vulnerability is CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Use tty_port_destroy() to destroy port In goldfish_tty_probe(), the port initialized through tty_port_init() should be destroyed in error paths.In goldfish_tty_remove(), qtty->port also should be destroyed or else might leak resources. Fix the above by calling tty_port_destroy().

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-49399 since 02/26/2025. There are known technical details, but no exploit is available.

Upgrading to version 4.14.283, 4.19.247, 5.4.198, 5.10.122, 5.15.47, 5.17.15 or 5.18.4 eliminates this vulnerability. Applying the patch 241fcb79dd1df276d80b19f5f6acc9eaaaa63309/326192b99c903a2193d820c30ed936cc2402382c/9ae3d073f7db5578ae1907544f0c15947e9678e6/ee6c33b29e624f515202a31bf6ef0437f26a1867/da64f419d7f78272bfe40dde1262602d4ff6b32c/45f6ce70abfb7ccf9d787781cbc4c03294a775a1/4639d1b992de8f37d66f698056875c274efcd45f/507b05063d1b7a1fcb9f7d7c47586fc4f3508f98 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

• 4.14.282
• 4.19.246
• 5.4.197
• 5.10.121
• 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
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.15.34
• 5.15.35
• 5.15.36
• 5.15.37
• 5.15.38
• 5.15.39
• 5.15.40
• 5.15.41
• 5.15.42
• 5.15.43
• 5.15.44
• 5.15.45
• 5.15.46
• 5.17.0
• 5.17.1
• 5.17.2
• 5.17.3
• 5.17.4
• 5.17.5
• 5.17.6
• 5.17.7
• 5.17.8
• 5.17.9
• 5.17.10
• 5.17.11
• 5.17.12
• 5.17.13
• 5.17.14
• 5.18.0
• 5.18.1
• 5.18.2
• 5.18.3

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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