Linux Kernel up to 6.11.2 hda_sdw_machine_select infinite loop

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.11.2. It has been rated as critical. This affects the function hda_sdw_machine_select. The manipulation leads to infinite loop. This vulnerability is uniquely identified as CVE-2024-50011. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.11.2. It has been rated as critical. This issue affects the function hda_sdw_machine_select. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: soc-acpi-intel-rpl-match: add missing empty item There is no links_num in struct snd_soc_acpi_mach {}, and we test !link->num_adr as a condition to end the loop in hda_sdw_machine_select(). So an empty item in struct snd_soc_acpi_link_adr array is required.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2024-50011 since 10/21/2024. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 213507 (Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-7187-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.11.3 eliminates this vulnerability. Applying the patch aa3109ee91fe/5afc29ba44fd 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.

The vulnerability is also documented in the databases at Tenable (213507) and CERT Bund (WID-SEC-2024-3251). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Google Container-Optimized OS
• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• NetApp StorageGRID
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• Kyocera Printer
• NetApp AFF
• NetApp ActiveIQ Unified Manager
• SUSE openSUSE
• IBM Security Guardium
• RESF Rocky Linux
• Dell NetWorker
• Dell Avamar
• IBM QRadar SIEM
• NetApp FAS
• SolarWinds Security Event Manager
• Dell PowerProtect Data Domain
• Open Source Linux Kernel
• Dell PowerScale OneFS

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.11.0
• 6.11.1
• 6.11.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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