Linux Kernel up to 5.18.3 tty pci_release_regions allocation of resources

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.18.3. This impacts the function pci_release_regions of the component tty. The manipulation leads to allocation of resources. This vulnerability is referenced as CVE-2022-49314. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.18.3. It has been rated as problematic. This issue affects the function pci_release_regions of the component tty. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: tty: Fix a possible resource leak in icom_probe When pci_read_config_dword failed, call pci_release_regions() and pci_disable_device() to recycle the resource previously allocated.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-49314 since 02/26/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.9.318, 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 f4c836d90da1ece88905d62ce2ce39a962f25d1a/d703d912a985c1c5b50dd38c3181fc3540fa77cb/a2df0b4d080cc770b4da7bff487048c803dfd07e/8c014373f178a4f13a08e045ef63bdb23f62e892/cb7147afd328c07edeeee287710d8d96ac0459f5/5f9b2e4ca88cab1a96b86ecd45544e488ca43faf/23e155b51d403c0ccedc60c0d6c3c452afed07fe/9a8305f357a8d03698fc7bc855ff9c6865d5486b/ee157a79e7c82b01ae4c25de0ac75899801f322c 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

• 4.9.317
• 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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