CVE-2026-68110

Received Received - Intake

AMDGPU SDMA Driver BUG_ON Replacement Vulnerability

Publication date: 2026-08-10

Last updated on: 2026-08-17

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4.4.2: replace BUG_ON() with WARN_ON() There's no need to crash the kernel for these cases. (cherry picked from commit fa4f86a148271e325e95287630a3a15a9cd35fdc)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-10

Last Modified

2026-08-17

Generated

2026-08-30

AI Q&A

2026-08-10

EPSS Evaluated

2026-08-29

NVD

CVE-2026-68110

EUVD

EUVD-2026-55491

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves a change in the Linux kernel's AMD GPU SDMA4.4.2 driver where a BUG_ON() call was replaced with WARN_ON(). BUG_ON() crashes the kernel when triggered, while WARN_ON() only issues a warning, preventing unnecessary system crashes.

Detection Guidance

This vulnerability is specific to the Linux kernel's AMDGPU SDMA driver and involves a BUG_ON() call that could crash the kernel. Detection requires checking kernel logs for warnings or errors related to the AMDGPU SDMA driver or kernel crashes.

Impact Analysis

This vulnerability does not directly impact end users as it was fixed in the kernel code. However, systems running unpatched Linux kernels with affected AMD GPU drivers may experience kernel crashes instead of warnings for certain GPU-related errors.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or other common standards and regulations. The issue is a kernel crash prevention in AMD GPU drivers, which is a stability and reliability concern rather than a data protection or privacy risk.

Mitigation Strategies

Update the Linux kernel to a version that includes the fix for this vulnerability. The specific change replaces BUG_ON() with WARN_ON() in the AMDGPU SDMA4.4.2 driver to prevent kernel crashes.

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