Linux Kernel up to 6.6.22/6.7.10/6.8.1 Bluetooth memory leak

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.6.22/6.7.10/6.8.1. It has been classified as critical. This issue affects some unknown processing of the component Bluetooth. The manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2024-26887. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.22/6.7.10/6.8.1. It has been rated as critical. This issue affects an unknown code block of the component Bluetooth. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix memory leak This checks if CONFIG_DEV_COREDUMP is enabled before attempting to clone the skb and also make sure btmtk_process_coredump frees the skb passed following the same logic.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2024-26887 since 02/19/2024. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 246643 (Linux Distros Unpatched Vulnerability : CVE-2024-26887), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.23, 6.7.11, 6.8.2 or 6.9-rc1 eliminates this vulnerability. Applying the patch 620b9e60e4b5/b10e6f6b160a/b08bd8f02a24/79f4127a502c 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 vulnerability database at Tenable (246643). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.6.14
• 6.6.15
• 6.6.16
• 6.6.17
• 6.6.18
• 6.6.19
• 6.6.20
• 6.6.21
• 6.6.22
• 6.7.0
• 6.7.1
• 6.7.2
• 6.7.3
• 6.7.4
• 6.7.5
• 6.7.6
• 6.7.7
• 6.7.8
• 6.7.9
• 6.7.10
• 6.8.0
• 6.8.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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