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Vulnerabilities CVE-2026-43400

CVE-2026-43400

None
Open
TLP:CLEAR

drm/amdgpu: add upper bound check on user inputs in signal ioctl

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Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add upper bound check on user inputs in signal ioctl Huge input values in amdgpu_userq_signal_ioctl can lead to a OOM and could be exploited. So check these input value against AMDGPU_USERQ_MAX_HANDLES which is big enough value for genuine use cases and could potentially avoid OOM. (cherry picked from commit be267e15f99bc97cbe202cd556717797cdcf79a5)

Details

EPSS Score
0.13%

2.7th percentile

Confidence
90%
Published
May 8, 2026
Last Modified
May 9, 2026
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