CVE-2026-47568
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Kernel Log Flooding in NVIDIA GPU Display Driver for Linux

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: NVIDIA Corporation

Description
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where a user could cause uncontrolled kernel log generation by repeatedly invoking an interface that emits unrate-limited error messages. A successful exploit of this vulnerability might lead to denial of service.

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-47568
EUVD
EUVD-2026-90177

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
nvidia gpu_display_driver *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.

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Executive Summary

This vulnerability in NVIDIA GPU Display Driver for Linux allows a user to cause uncontrolled kernel log generation by repeatedly invoking an interface that emits unrate-limited error messages. This could lead to a denial of service condition.

Detection Guidance

To detect this vulnerability, monitor kernel logs for excessive error messages from the NVIDIA GPU driver. Check for repeated logs indicating uncontrolled kernel log generation. Use commands like 'dmesg | grep -i nvidia' or 'journalctl -k | grep -i nvidia' to inspect logs for abnormal activity.

Impact Analysis

The vulnerability could allow an attacker to fill up system logs, causing the system to slow down or crash due to excessive log generation. This may disrupt normal operations and require system reboot.

Mitigation Strategies

Update the NVIDIA GPU Display Driver to the latest version provided by NVIDIA. If an update is unavailable, restrict user access to the vulnerable interface or disable unnecessary logging features temporarily. Monitor system logs for signs of exploitation.

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