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CVE-2024-36884

kernel: iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 30, 2024

Updated · October 14, 2026

Description

A flaw was found in the Linux kernel's ARM System Memory Management Unit (SMMU) driver for NVIDIA hardware. A data type mismatch in the context fault interrupt handler causes the driver to miscalculate memory structure offsets. A local user could exploit this vulnerability during fault handling to trigger a NULL pointer dereference, causing a kernel crash and resulting in a Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference