CVE-2026-68104
Received Received - Intake

AMDGPU Kernel Power Management Use-After-Free

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: invoke pm_genpd_remove() before freeing genpd Call pm_genpd_remove() to unregister from global list prior to releasing acp_genpd memory, and clear the pointer after free. (cherry picked from commit cd8650d7a91ee8b768e202354672553faa5cc1f2)

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-68104
EUVD
EUVD-2026-55485

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel involves improper handling of power management domains in the AMDGPU driver. The issue occurs when the kernel fails to properly remove a power management domain before freeing its memory, potentially leading to system instability or crashes.

Detection Guidance

This vulnerability is specific to the Linux kernel's AMD GPU driver and does not have a direct network detection method. To check for affected systems, verify the kernel version and AMD GPU driver details using commands like 'uname -a' and 'modinfo amdgpu'.

Impact Analysis

This vulnerability may cause system crashes or instability, particularly on systems using AMD graphics. Users might experience unexpected reboots, freezes, or graphical glitches during normal operation.

Mitigation Strategies

Update the Linux kernel to the latest patched version. For systems using AMD GPUs, ensure the kernel includes the fix for the AMD GPU driver issue. Monitor vendor advisories for kernel updates.

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