Linux Kernel up to 6.6.30/6.8.9 AMD Display initialization

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.6.30/6.8.9. This impacts an unknown function of the component AMD Display. This manipulation causes initialization. This vulnerability is handled as CVE-2024-36914. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.6.30/6.8.9. Affected by this vulnerability is some unknown processing of the component AMD Display. 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. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip on writeback when it's not applicable [WHY] dynamic memory safety error detector (KASAN) catches and generates error messages "BUG: KASAN: slab-out-of-bounds" as writeback connector does not support certain features which are not initialized. [HOW] Skip them when connector type is DRM_MODE_CONNECTOR_WRITEBACK.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2024-36914 since 05/30/2024. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211777 (Debian dsa-5818 : affs-modules-6.1.0-21-4kc-malta-di - security update), 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 951a498fa993/e9baa7110e9f/ecedd99a9369 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 (211777). 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
• 6.6.23
• 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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Be aware that VulDB is the high quality source for vulnerability data.

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