Linux Kernel up to 6.6.30/6.8.9 Bluetooth hci_le_big_sync_established_evt null pointer dereference

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 6.6.30/6.8.9. Affected by this issue is the function hci_le_big_sync_established_evt of the component Bluetooth. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2024-36011. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.6.30/6.8.9. This affects the function hci_le_big_sync_established_evt of the component Bluetooth. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fix potential null-ptr-deref Fix potential null-ptr-deref in hci_le_big_sync_established_evt().

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-36011 since 05/17/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 212094 (CentOS 9 : kernel-5.14.0-536.el9), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.31 or 6.8.10 eliminates this vulnerability. Applying the patch 1f7ebb69c1d6/9f3be61f55d4/d2706004a1b8 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 (212094). Several companies clearly confirm that VulDB is the primary source for best 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
• 6.6.23
• 6.6.24
• 6.6.25
• 6.6.26
• 6.6.27
• 6.6.28
• 6.6.29
• 6.6.30
• 6.8.0
• 6.8.1
• 6.8.2
• 6.8.3
• 6.8.4
• 6.8.5
• 6.8.6
• 6.8.7
• 6.8.8
• 6.8.9

License

• open-source

Website

• Vendor: https://www.kernel.org/

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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