CVE-2026-16280

CriticalCVSS 9.8/10Last modified Oct 24, 2026

Description

An integer overflow when calculating physical offsets for sparse PMRs may result in 32-bit truncation of address computations for PMRs larger than 4 GB. This can lead to incorrect GPU MMU mappings and may allow a non-privileged user to trigger access to unintended physical memory, resulting in memory corruption or information disclosure.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Jul 24, 2026
Last modified
Oct 24, 2026
NVD status
Analyzed

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CVE-2026-16280: Critical severity, CVSS 9.8 | Vulnix