Impact
A BUG_ON in the AMDGPU SDMA7.1 driver triggered a kernel panic when an unexpected condition was met, resulting in a denial‑of‑service by shutting down the entire system. The patch replaces that BUG_ON with a WARN_ON, so the kernel no longer crashes but logs a warning instead. The core weakness remains a failure‑to‑handle unexpected states (CWE‑617), meaning that the underlying logic issue is still present; repeated warnings could indicate problematic driver behavior but no crash will now occur.
Affected Systems
The issue exists in Linux kernel builds that include the amdgpu driver before the commit c4f230b51cf2d3e7e8b1c800331f3dbed2a9e3f5. It affects the SDMA7.1 path in amdgpu until the patch is incorporated.
Risk and Exploitability
The CVSS score of 5.5 indicates moderate severity once the crash mechanism is removed. The EPSS score of less than 1% shows a very low probability of exploitation, and the vulnerability is not listed in the CISA KEV catalog. No public remote exploitation is documented at this time.
OpenCVE Enrichment