CVE-2026-47561

nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size

Published Sep 30, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where the size of an ioctl input buffer is not validated, allowing an unprivileged caller to trigger an out-of-bounds write in kernel memory. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Nvidia
Nvidia geforce
Nvidia guest Driver
Nvidia nvs
Nvidia quadro
Nvidia rtx
Nvidia tesla
Nvidia virtual Gpu Manager
Vendors & Products Nvidia
Nvidia geforce
Nvidia guest Driver
Nvidia nvs
Nvidia quadro
Nvidia rtx
Nvidia tesla
Nvidia virtual Gpu Manager
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where the size of an ioctl input buffer is not validated, allowing an unprivileged caller to trigger an out-of-bounds write in kernel memory. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
nvidia
Published
Updated
Oct 1, 2026, 3:56 AM
Reserved
May 19, 2026, 7:55 PM
Status
Awaiting Analysis
Published
Sep 30, 2026, 4:17 PM
Modified
Oct 1, 2026, 4:18 AM
Severity
Important
Public date
Sep 30, 2026, 3:50 PM