Linux Kernel up to 6.8.9 xe_migrate buffer overflow

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 6.8.9. This issue affects some unknown processing of the component xe_migrate. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2024-36948. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.8.9 and classified as critical. Affected by this vulnerability is some unknown functionality of the component xe_migrate. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xe_migrate: Cast to output precision before multiplying operands Addressing potential overflow in result of multiplication of two lower precision (u32) operands before widening it to higher precision (u64). -v2 Fix commit message and description. (Rodrigo) (cherry picked from commit 34820967ae7b45411f8f4f737c2d63b0c608e0d7)

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2024-36948. The exploitation appears to be difficult. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/01/2025).

Upgrading to version 6.8.10 eliminates this vulnerability. Applying the patch e23a904dfeb5/9cb46b31f3d0 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.

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

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 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/

CPE 2.3info

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CPE 2.2info

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