CVE-2026-68251
Received Received - Intake

AMDGPU SDMA6 Kernel Memory Corruption Fix

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma6.0: replace BUG_ON() with WARN_ON() There's no need to crash the kernel for these cases. (cherry picked from commit c17a508a7d652da3728f8bbc481bfffe96d65a87)

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-68251
EUVD
EUVD-2026-55352

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves the Linux kernel's AMDGPU SDMA6.0 component. The issue is that the kernel uses BUG_ON() to handle certain error conditions, which crashes the system. The fix replaces BUG_ON() with WARN_ON(), which only issues a warning instead of causing a kernel crash.

Detection Guidance

This vulnerability is specific to the Linux kernel's AMDGPU SDMA6.0 driver. Detection requires checking kernel logs for WARN_ON() or BUG_ON() triggers related to amdgpu or sdma6.0. Use commands like dmesg | grep -i amdgpu or journalctl -k | grep -i sdma6.0 to inspect kernel messages.

Impact Analysis

This vulnerability could lead to unexpected system crashes when certain error conditions occur in the AMDGPU SDMA6.0 component. Replacing BUG_ON() with WARN_ON() prevents these crashes by issuing warnings instead, improving system stability.

Mitigation Strategies

Update the Linux kernel to a patched version that resolves this issue. Since the vulnerability involves a kernel crash, applying the latest stable kernel update from your distribution is the primary mitigation step.

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