What’s Vulnerable › Vulnerabilities

CVE-2024-56666: drm/amdkfd: Dereference null return value

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-27 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Dereference null return value In the function pqm_uninit there is a call-assignment of "pdd = kfd_get_process_device_data" which could be null, and this value was later dereferenced without checking.

Affected products

• Linux kernel: from 6.12 before 6.12.6; 6.13-rc1, 6.13-rc2 — fixed in 6.12.6

How to fix

Upgrade to a fixed version: Linux kernel 6.12.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/768442d918932c4da09003f1fd6be1750b93a4ba
• https://git.kernel.org/stable/c/a592bb19abdc2072875c87da606461bfd7821b08

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